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Sets and Functions
Collection of board questions from 2020 to 2025 across all 9 education boards.
183
MCQs
45
Creative Questions
Creative Questions (CQ)
Rajshahi Board 2025
CQ1
Creative
Stem:
In a class of 60 students, 35 study Mathematics (M), 30 study Science (S), and 10 study both.
উদ্দীপক:
60 জন শিক্ষার্থীর একটি শ্রেণিতে 35 জন গণিত (M), 30 জন বিজ্ঞান (S) এবং 10 জন উভয় বিষয় পড়ে।
Chapter: Sets and Functions
▼
Barisal Board 2024
CQ4
Creative
Stem:
70 students: 40 like Science (S), 35 like Arts (A), 15 like both.
Chapter: Sets and Functions
▼
Barisal Board 2024
CQ7
Creative
Stem:
\(p(x)=x^2-4x+4\)
Chapter: Sets and Functions
▼
Chittagong Board 2024
CQ4
Creative
Stem:
80 students: 45 study English (E), 40 study French (F), 20 study both.
Chapter: Sets and Functions
▼
Chittagong Board 2024
CQ7
Creative
Stem:
\(h(x) = x^2 + 4x + 4\)
Chapter: Sets and Functions
▼
Comilla Board 2024
CQ4
Creative
Stem:
90 students: 50 play chess (C), 40 play carrom (K), 15 play both.
Chapter: Sets and Functions
▼
Comilla Board 2024
CQ7
Creative
Stem:
\(k(x)=x^2-6x+9\)
Chapter: Sets and Functions
▼
Dhaka Board 2024
CQ4
Creative
Stem:
40 students: 25 play cricket (C), 20 play football (F), 10 play both.
উদ্দীপক:
40 জন শিক্ষার্থী: 25 জন ক্রিকেট (C), 20 জন ফুটবল (F), 10 জন উভয়ই খেলে।
Chapter: Sets and Functions
▼
Dhaka Board 2024
CQ7
Creative
Stem:
\(f:\mathbb{R}\to\mathbb{R}\) defined by \(f(x) = x^2 - 2x + 1\)
উদ্দীপক:
\(f:\mathbb{R}\to\mathbb{R}\), \(f(x) = x^2 - 2x + 1\) দ্বারা সংজ্ঞায়িত
Chapter: Sets and Functions
▼
Dinajpur Board 2024
CQ4
Creative
Stem:
80 students: 45 study maths (M), 40 study physics (P), 20 study both.
Chapter: Sets and Functions
▼
Dinajpur Board 2024
CQ7
Creative
Stem:
\(q(x)=x^2-8x+16\)
Chapter: Sets and Functions
▼
Jessore Board 2024
CQ4
Creative
Stem:
50 students: 30 play cricket (C), 25 play football (F), 10 play both.
Chapter: Sets and Functions
▼
Jessore Board 2024
CQ7
Creative
Stem:
\(f(x)=2x^2-8x+6\)
Chapter: Sets and Functions
▼
Mymensingh Board 2024
CQ4
Creative
Stem:
120 students: 70 play indoor (I), 65 play outdoor (O), 30 play both.
Chapter: Sets and Functions
▼
Mymensingh Board 2024
CQ7
Creative
Stem:
\(t(x)=x^2-10x+25\)
Chapter: Sets and Functions
▼
Rajshahi Board 2024
CQ4
Creative
Stem:
60 students: 35 like maths (M), 30 like science (S), 15 like both.
Chapter: Sets and Functions
▼
Rajshahi Board 2024
CQ7
Creative
Stem:
\(g(x) = 3x^2 - 6x + 3\)
Chapter: Sets and Functions
▼
Sylhet Board 2024
CQ4
Creative
Stem:
100 students: 60 like History (H), 55 like Geography (G), 25 like both.
Chapter: Sets and Functions
▼
Sylhet Board 2024
CQ7
Creative
Stem:
\(r(x)=2x^2-4x+2\)
Chapter: Sets and Functions
▼
Rajshahi Board 2023
CQ1
Creative
Stem:
In a class of 50 students, 30 like Mathematics (M), 25 like Science (S), and 10 like both.
উদ্দীপক:
50 জন শিক্ষার্থীর একটি ক্লাসে, 30 জন গণিত (M) পছন্দ করে, 25 জন বিজ্ঞান (S) পছন্দ করে এবং 10 জন উভয়ই পছন্দ করে।
Chapter: Sets and Functions
▼
Barisal Board 2022
CQ1
Creative
Stem:
In a class of 60 students, 35 play cricket, 25 play football, and 10 play both.
উদ্দীপক:
60 জন ছাত্রের একটি শ্রেণিতে 35 জন ক্রিকেট, 25 জন ফুটবল খেলে এবং 10 জন উভয় খেলা খেলে।
Chapter: Sets and Functions
▼
Chittagong Board 2022
CQ2
Creative
Stem:
\(f(x) = 3x^2 - 2x + 1\) and \(g(x) = x + 2\).
উদ্দীপক:
\(f(x) = 3x^2 - 2x + 1\) এবং \(g(x) = x + 2\)।
Chapter: Sets and Functions
▼
Comilla Board 2022
CQ1
Creative
Stem:
In a class of 60 students, 35 play cricket, 25 play football, and 10 play both.
উদ্দীপক:
60 জন ছাত্রের একটি শ্রেণিতে 35 জন ক্রিকেট, 25 জন ফুটবল খেলে এবং 10 জন উভয় খেলা খেলে।
Chapter: Sets and Functions
▼
Dhaka Board 2022
CQ1
Creative
Stem:
In a class of 60 students, 35 play cricket, 25 play football, and 10 play both.
উদ্দীপক:
60 জন ছাত্রের একটি শ্রেণিতে 35 জন ক্রিকেট, 25 জন ফুটবল খেলে এবং 10 জন উভয় খেলা খেলে।
Chapter: Sets and Functions
▼
Dinajpur Board 2022
CQ1
Creative
Stem:
In a class of 60 students, 35 play cricket, 25 play football, and 10 play both.
উদ্দীপক:
60 জন ছাত্রের একটি শ্রেণিতে 35 জন ক্রিকেট, 25 জন ফুটবল খেলে এবং 10 জন উভয় খেলা খেলে।
Chapter: Sets and Functions
▼
Jessore Board 2022
CQ1
Creative
Stem:
In a class of 60 students, 35 play cricket, 25 play football, and 10 play both.
উদ্দীপক:
60 জন ছাত্রের একটি শ্রেণিতে 35 জন ক্রিকেট, 25 জন ফুটবল খেলে এবং 10 জন উভয় খেলা খেলে।
Chapter: Sets and Functions
▼
Mymensingh Board 2022
CQ1
Creative
Stem:
In a class of 60 students, 35 play cricket, 25 play football, and 10 play both.
উদ্দীপক:
60 জন ছাত্রের একটি শ্রেণিতে 35 জন ক্রিকেট, 25 জন ফুটবল খেলে এবং 10 জন উভয় খেলা খেলে।
Chapter: Sets and Functions
▼
Rajshahi Board 2022
CQ2
Creative
Stem:
In a survey of 100 people, 60 like tea, 50 like coffee, and 20 like both.
উদ্দীপক:
100 জনের একটি জরিপে 60 জন চা পছন্দ করে, 50 জন কফি পছন্দ করে এবং 20 জন উভয়ই পছন্দ করে।
Chapter: Sets and Functions
▼
Sylhet Board 2022
CQ1
Creative
Stem:
In a class of 60 students, 35 play cricket, 25 play football, and 10 play both.
উদ্দীপক:
60 জন ছাত্রের একটি শ্রেণিতে 35 জন ক্রিকেট, 25 জন ফুটবল খেলে এবং 10 জন উভয় খেলা খেলে।
Chapter: Sets and Functions
▼
Barisal Board 2021
CQ3
Creative
Stem:
In a class of 50 students, 28 study English (E), 30 study Bengali (B), and 5 study neither.
উদ্দীপক:
50 জন শিক্ষার্থীর একটি শ্রেণিতে 28 জন ইংরেজি (E), 30 জন বাংলা (B) পড়ে এবং 5 জন কোনোটিই পড়ে না।
Chapter: Sets and Functions
▼
Chittagong Board 2021
CQ2
Creative
Stem:
In a survey of 60 people, 35 like tea (T), 25 like coffee (C), and 10 like both.
উদ্দীপক:
60 জনের জরিপে 35 জন চা (T), 25 জন কফি (C) পছন্দ করে এবং 10 জন উভয়ই পছন্দ করে।
Chapter: Sets and Functions
▼
Chittagong Board 2021
CQ7
Creative
Stem:
\(f(x) = 2x^2 - 5x + 3\)
উদ্দীপক:
\(f(x) = 2x^2 - 5x + 3\)
Chapter: Sets and Functions
▼
Comilla Board 2021
CQ3
Creative
Stem:
In a class of 50 students, 28 study English (E), 30 study Bengali (B), and 5 study neither.
উদ্দীপক:
50 জন শিক্ষার্থীর একটি শ্রেণিতে 28 জন ইংরেজি (E), 30 জন বাংলা (B) পড়ে এবং 5 জন কোনোটিই পড়ে না।
Chapter: Sets and Functions
▼
Dhaka Board 2021
CQ3
Creative
Stem:
In a class of 50 students, 28 study English (E), 30 study Bengali (B), and 5 study neither.
উদ্দীপক:
50 জন শিক্ষার্থীর একটি শ্রেণিতে 28 জন ইংরেজি (E), 30 জন বাংলা (B) পড়ে এবং 5 জন কোনোটিই পড়ে না।
Chapter: Sets and Functions
▼
Dinajpur Board 2021
CQ3
Creative
Stem:
In a class of 50 students, 28 study English (E), 30 study Bengali (B), and 5 study neither.
উদ্দীপক:
50 জন শিক্ষার্থীর একটি শ্রেণিতে 28 জন ইংরেজি (E), 30 জন বাংলা (B) পড়ে এবং 5 জন কোনোটিই পড়ে না।
Chapter: Sets and Functions
▼
Jessore Board 2021
CQ3
Creative
Stem:
In a class of 50 students, 28 study English (E), 30 study Bengali (B), and 5 study neither.
উদ্দীপক:
50 জন শিক্ষার্থীর একটি শ্রেণিতে 28 জন ইংরেজি (E), 30 জন বাংলা (B) পড়ে এবং 5 জন কোনোটিই পড়ে না।
Chapter: Sets and Functions
▼
Mymensingh Board 2021
CQ3
Creative
Stem:
In a class of 50 students, 28 study English (E), 30 study Bengali (B), and 5 study neither.
উদ্দীপক:
50 জন শিক্ষার্থীর একটি শ্রেণিতে 28 জন ইংরেজি (E), 30 জন বাংলা (B) পড়ে এবং 5 জন কোনোটিই পড়ে না।
Chapter: Sets and Functions
▼
Sylhet Board 2021
CQ3
Creative
Stem:
In a class of 50 students, 28 study English (E), 30 study Bengali (B), and 5 study neither.
উদ্দীপক:
50 জন শিক্ষার্থীর একটি শ্রেণিতে 28 জন ইংরেজি (E), 30 জন বাংলা (B) পড়ে এবং 5 জন কোনোটিই পড়ে না।
Chapter: Sets and Functions
▼
Barisal Board 2020
CQ7
Creative
Stem:
In a class of 60 students, 35 study Bengali (B), 30 study English (E), and 10 study both.
উদ্দীপক:
60 জন শিক্ষার্থীর একটি শ্রেণিতে 35 জন বাংলা (B), 30 জন ইংরেজি (E) এবং 10 জন উভয়ই পড়ে।
Chapter: Sets and Functions
▼
Comilla Board 2020
CQ7
Creative
Stem:
In a class of 60 students, 35 study Bengali (B), 30 study English (E), and 10 study both.
উদ্দীপক:
60 জন শিক্ষার্থীর একটি শ্রেণিতে 35 জন বাংলা (B), 30 জন ইংরেজি (E) এবং 10 জন উভয়ই পড়ে।
Chapter: Sets and Functions
▼
Dhaka Board 2020
CQ7
Creative
Stem:
In a class of 60 students, 35 study Bengali (B), 30 study English (E), and 10 study both.
উদ্দীপক:
60 জন শিক্ষার্থীর একটি শ্রেণিতে 35 জন বাংলা (B), 30 জন ইংরেজি (E) এবং 10 জন উভয়ই পড়ে।
Chapter: Sets and Functions
▼
Dinajpur Board 2020
CQ7
Creative
Stem:
In a class of 60 students, 35 study Bengali (B), 30 study English (E), and 10 study both.
উদ্দীপক:
60 জন শিক্ষার্থীর একটি শ্রেণিতে 35 জন বাংলা (B), 30 জন ইংরেজি (E) এবং 10 জন উভয়ই পড়ে।
Chapter: Sets and Functions
▼
Jessore Board 2020
CQ7
Creative
Stem:
In a class of 60 students, 35 study Bengali (B), 30 study English (E), and 10 study both.
উদ্দীপক:
60 জন শিক্ষার্থীর একটি শ্রেণিতে 35 জন বাংলা (B), 30 জন ইংরেজি (E) এবং 10 জন উভয়ই পড়ে।
Chapter: Sets and Functions
▼
Mymensingh Board 2020
CQ7
Creative
Stem:
In a class of 60 students, 35 study Bengali (B), 30 study English (E), and 10 study both.
উদ্দীপক:
60 জন শিক্ষার্থীর একটি শ্রেণিতে 35 জন বাংলা (B), 30 জন ইংরেজি (E) এবং 10 জন উভয়ই পড়ে।
Chapter: Sets and Functions
▼
Sylhet Board 2020
CQ7
Creative
Stem:
In a class of 60 students, 35 study Bengali (B), 30 study English (E), and 10 study both.
উদ্দীপক:
60 জন শিক্ষার্থীর একটি শ্রেণিতে 35 জন বাংলা (B), 30 জন ইংরেজি (E) এবং 10 জন উভয়ই পড়ে।
Chapter: Sets and Functions
▼
Multiple Choice Questions (MCQ)
Barisal Board 2025
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 5, 6\}\)
Barisal Board 2025
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
10
খ.
20
গ.
30
ঘ.
80
Barisal Board 2025
Q3
MCQ
If \(f(x) = 3x - 1\), then \(f(3) = ?\)
\(f(x) = 3x - 1\) হলে \(f(3) = ?\)
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Barisal Board 2025
Q4
MCQ
If \(g(x) = x^2 + 1\), then \(g(-2) = ?\)
\(g(x) = x^2 + 1\) হলে \(g(-2) = ?\)
▼
ক.
3
খ.
5
গ.
-3
ঘ.
4
Chittagong Board 2025
Q1
MCQ
If \(A = \{2, 4, 6\}\) and \(B = \{4, 6, 8\}\), then \(A \cup B = ?\)
\(A = \{2, 4, 6\}\) ও \(B = \{4, 6, 8\}\) হলে \(A \cup B = ?\)
▼
ক.
\(\{4, 6\}\)
খ.
\(\{2, 4, 6, 8\}\)
গ.
\(\{2, 8\}\)
ঘ.
\(\{2, 4, 6\}\)
Chittagong Board 2025
Q2
MCQ
Power set of \(\{a, b\}\) has how many elements?
\(\{a, b\}\) এর ক্ষমতা সেটে কতটি উপাদান আছে?
▼
ক.
2
খ.
3
গ.
4
ঘ.
8
Chittagong Board 2025
Q3
MCQ
If \(f(x) = \frac{x+1}{x-1}\), then \(f(3) = ?\)
\(f(x) = \frac{x+1}{x-1}\) হলে \(f(3) = ?\)
▼
ক.
1
খ.
2
গ.
3
ঘ.
4
Chittagong Board 2025
Q4
MCQ
If \(f(x) = 2x + 1\), then \(f^{-1}(x) = ?\)
\(f(x) = 2x + 1\) হলে \(f^{-1}(x) = ?\)
▼
ক.
\(\frac{x-1}{2}\)
খ.
\(\frac{x+1}{2}\)
গ.
\(2x - 1\)
ঘ.
\(\frac{1}{2x+1}\)
Comilla Board 2025
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 5, 6\}\)
Comilla Board 2025
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
10
খ.
20
গ.
30
ঘ.
80
Comilla Board 2025
Q3
MCQ
If \(f(x) = 3x - 1\), then \(f(3) = ?\)
\(f(x) = 3x - 1\) হলে \(f(3) = ?\)
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Comilla Board 2025
Q4
MCQ
If \(g(x) = x^2 + 1\), then \(g(-2) = ?\)
\(g(x) = x^2 + 1\) হলে \(g(-2) = ?\)
▼
ক.
3
খ.
5
গ.
-3
ঘ.
4
Dhaka Board 2025
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 5, 6\}\)
Dhaka Board 2025
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
10
খ.
20
গ.
30
ঘ.
80
Dhaka Board 2025
Q3
MCQ
If \(f(x) = 3x - 1\), then \(f(3) = ?\)
\(f(x) = 3x - 1\) হলে \(f(3) = ?\)
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Dhaka Board 2025
Q4
MCQ
If \(g(x) = x^2 + 1\), then \(g(-2) = ?\)
\(g(x) = x^2 + 1\) হলে \(g(-2) = ?\)
▼
ক.
3
খ.
5
গ.
-3
ঘ.
4
Dinajpur Board 2025
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 5, 6\}\)
Dinajpur Board 2025
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
10
খ.
20
গ.
30
ঘ.
80
Dinajpur Board 2025
Q3
MCQ
If \(f(x) = 3x - 1\), then \(f(3) = ?\)
\(f(x) = 3x - 1\) হলে \(f(3) = ?\)
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Dinajpur Board 2025
Q4
MCQ
If \(g(x) = x^2 + 1\), then \(g(-2) = ?\)
\(g(x) = x^2 + 1\) হলে \(g(-2) = ?\)
▼
ক.
3
খ.
5
গ.
-3
ঘ.
4
Jessore Board 2025
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 5, 6\}\)
Jessore Board 2025
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
10
খ.
20
গ.
30
ঘ.
80
Jessore Board 2025
Q3
MCQ
If \(f(x) = 3x - 1\), then \(f(3) = ?\)
\(f(x) = 3x - 1\) হলে \(f(3) = ?\)
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Jessore Board 2025
Q4
MCQ
If \(g(x) = x^2 + 1\), then \(g(-2) = ?\)
\(g(x) = x^2 + 1\) হলে \(g(-2) = ?\)
▼
ক.
3
খ.
5
গ.
-3
ঘ.
4
Mymensingh Board 2025
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 5, 6\}\)
Mymensingh Board 2025
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
10
খ.
20
গ.
30
ঘ.
80
Mymensingh Board 2025
Q3
MCQ
If \(f(x) = 3x - 1\), then \(f(3) = ?\)
\(f(x) = 3x - 1\) হলে \(f(3) = ?\)
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Mymensingh Board 2025
Q4
MCQ
If \(g(x) = x^2 + 1\), then \(g(-2) = ?\)
\(g(x) = x^2 + 1\) হলে \(g(-2) = ?\)
▼
ক.
3
খ.
5
গ.
-3
ঘ.
4
Rajshahi Board 2025
Q1
MCQ
If \(A = \{x : x \in \mathbb{N}, x < 6\}\), then \(n(A) = ?\)
\(A = \{x : x \in \mathbb{N}, x < 6\}\) হলে \(n(A) = ?\)
▼
ক.
4
খ.
5
গ.
6
ঘ.
7
Rajshahi Board 2025
Q2
MCQ
If \(A \cup B = A\), then which is always true?
\(A \cup B = A\) হলে সর্বদা সত্য কোনটি?
▼
ক.
\(A = B\)
খ.
\(B \subseteq A\)
গ.
\(A \subseteq B\)
ঘ.
\(A \cap B = \emptyset\)
Rajshahi Board 2025
Q3
MCQ
If \(f(x) = x^2 - 4x + 3\), then \(f(1) = ?\)
\(f(x) = x^2 - 4x + 3\) হলে \(f(1) = ?\)
▼
ক.
0
খ.
1
গ.
2
ঘ.
−1
Sylhet Board 2025
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 5, 6\}\)
Sylhet Board 2025
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
10
খ.
20
গ.
30
ঘ.
80
Sylhet Board 2025
Q3
MCQ
If \(f(x) = 3x - 1\), then \(f(3) = ?\)
\(f(x) = 3x - 1\) হলে \(f(3) = ?\)
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Sylhet Board 2025
Q4
MCQ
If \(g(x) = x^2 + 1\), then \(g(-2) = ?\)
\(g(x) = x^2 + 1\) হলে \(g(-2) = ?\)
▼
ক.
3
খ.
5
গ.
-3
ঘ.
4
Barisal Board 2024
Q4
MCQ
\(n(A)=4,n(B)=3,n(A\cup B)=6\). Find \(n(A\cap B)\).
▼
ক.
0
খ.
1
গ.
2
ঘ.
3
Barisal Board 2024
Q5
MCQ
\(g(x)=2x^2+3\). Find \(g(-1)\).
▼
ক.
1
খ.
5
গ.
−1
ঘ.
3
Barisal Board 2024
Q25
MCQ
If \(y=\frac{1}{x}\), when \(x=4\), \(y=?\)
▼
ক.
4
খ.
2
গ.
1/2
ঘ.
1/4
Chittagong Board 2024
Q4
MCQ
\(n(A)=8,n(B)=6,n(A\cap B)=3\). \(n(A\cup B)=\)?
▼
ক.
10
খ.
11
গ.
12
ঘ.
14
Chittagong Board 2024
Q5
MCQ
If \(f(x)=3x-1\), find \(f(4)\).
▼
ক.
10
খ.
11
গ.
12
ঘ.
13
Chittagong Board 2024
Q24
MCQ
Power set of \(\{a,b\}\) has _ elements:
▼
ক.
2
খ.
3
গ.
4
ঘ.
8
Chittagong Board 2024
Q25
MCQ
If \(A \cap B = \emptyset\), then A and B are:
▼
ক.
Equal
খ.
Disjoint
গ.
Subsets
ঘ.
Universal
Comilla Board 2024
Q4
MCQ
If \(B \subset A\), then \(A \cup B = ?\)
▼
ক.
A
খ.
B
গ.
∅
ঘ.
U
Comilla Board 2024
Q5
MCQ
If \(f(x)=\sqrt{x}\), find \(f(25)\).
▼
ক.
3
খ.
4
গ.
5
ঘ.
6
Comilla Board 2024
Q24
MCQ
\(A \cap \emptyset = ?\)
▼
ক.
A
খ.
∅
গ.
U
ঘ.
{A}
Dhaka Board 2024
Q7
MCQ
\(n(A)=25,\ n(B)=20,\ n(A\cap B)=10\). Find \(n(A\cup B)\).
▼
ক.
30
খ.
35
গ.
45
ঘ.
55
Dhaka Board 2024
Q8
MCQ
If \(A=\{1,2,3\}\), number of subsets = ?
\(A=\{1,2,3\}\) এর উপসেটের সংখ্যা কত?
▼
ক.
4
খ.
6
গ.
8
ঘ.
9
Dhaka Board 2024
Q9
MCQ
\(f(x)=2x+3\). Find \(f(f(1))\).
\(f(x)=2x+3\) হলে \(f(f(1))\) = ?
▼
ক.
11
খ.
13
গ.
15
ঘ.
17
Dhaka Board 2024
Q10
MCQ
Which set is a subset of every set?
কোন সেটটি প্রতিটি সেটের উপসেট?
▼
ক.
Universal set
খ.
Power set
গ.
Empty set ∅
ঘ.
Singleton set
Dinajpur Board 2024
Q4
MCQ
\(A \cup A = ?\)
▼
ক.
∅
খ.
A
গ.
U
ঘ.
{A}
Dinajpur Board 2024
Q5
MCQ
If \(h(x)=\frac{1}{x+1}\), domain excludes:
▼
ক.
0
খ.
1
গ.
−1
ঘ.
∞
Dinajpur Board 2024
Q23
MCQ
If \(P(A)=0.6\), \(P(A')=?\)
▼
ক.
0.3
খ.
0.4
গ.
0.6
ঘ.
1.6
Jessore Board 2024
Q4
MCQ
If \(n(U)=50,n(A)=30\), then \(n(A')=?\)
▼
ক.
10
খ.
20
গ.
30
ঘ.
50
Jessore Board 2024
Q5
MCQ
If \(f(x)=x^2-x\), find \(f(3)\).
▼
ক.
3
খ.
4
গ.
5
ঘ.
6
Jessore Board 2024
Q24
MCQ
\(A \cup A' = ?\)
▼
ক.
∅
খ.
A
গ.
U
ঘ.
A∩A'
Mymensingh Board 2024
Q4
MCQ
\(n(U)=100,n(A)=60,n(B)=50,n(A\cap B)=20\). Find \(n((A\cup B)')\).
▼
ক.
10
খ.
20
গ.
30
ঘ.
40
Mymensingh Board 2024
Q5
MCQ
If \(f(x)=|x|\), find \(f(-5)\).
▼
ক.
−5
খ.
0
গ.
5
ঘ.
25
Mymensingh Board 2024
Q23
MCQ
\(A \cap A' = ?\)
▼
ক.
A
খ.
∅
গ.
U
ঘ.
A'
Rajshahi Board 2024
Q4
MCQ
If \(A \subset B\) and \(B \subset A\), then:
▼
ক.
A is empty
খ.
B is empty
গ.
A = B
ঘ.
A ∩ B = ∅
Rajshahi Board 2024
Q5
MCQ
If \(n(A) = 5\), total subsets of A:
▼
ক.
10
খ.
25
গ.
32
ঘ.
64
Rajshahi Board 2024
Q6
MCQ
If \(f(x) = x^2 + 1\), find \(f(-2)\).
▼
ক.
3
খ.
4
গ.
5
ঘ.
6
Rajshahi Board 2024
Q24
MCQ
If \(A=\{1,2\}\) and \(B=\{2,3\}\), then \(A \cup B = ?\)
▼
ক.
\(\{2\}\)
খ.
\(\{1,2,3\}\)
গ.
\(\{1,3\}\)
ঘ.
\(\{1,2,2,3\}\)
Sylhet Board 2024
Q4
MCQ
Range of \(f(x)=x^2\) for \(x\in\mathbb{R}\):
▼
ক.
All reals
খ.
Negative reals
গ.
Non-negative reals
ঘ.
Positive reals
Sylhet Board 2024
Q5
MCQ
\((2x-3)(2x+3) = ?\)
▼
ক.
\(4x^2-9\)
খ.
\(4x^2+9\)
গ.
\(4x^2-6x+9\)
ঘ.
\(2x^2-9\)
Sylhet Board 2024
Q23
MCQ
If \(A=B\), then \(A\cap B=?\)
▼
ক.
∅
খ.
A
গ.
U
ঘ.
{A,B}
Barisal Board 2023
Q1
MCQ
If \(A = \{1,2,3,4\}\) and \(B = \{3,4,5,6\}\), then \(A \cap B = ?\)
যদি \(A = \{1,2,3,4\}\) এবং \(B = \{3,4,5,6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1,2\}\)
খ.
\(\{3,4\}\)
গ.
\(\{5,6\}\)
ঘ.
\(\{1,2,3,4,5,6\}\)
Barisal Board 2023
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
10
খ.
20
গ.
30
ঘ.
80
Barisal Board 2023
Q3
MCQ
If \(f(x) = 3x - 1\), then \(f(3) = ?\)
\(f(x) = 3x - 1\) হলে \(f(3) = ?\)
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Chittagong Board 2023
Q1
MCQ
If \(A = \{2,4,6,8\}\) and \(B = \{1,2,3,4\}\), then \(A - B = ?\)
\(A = \{2,4,6,8\}\) এবং \(B = \{1,2,3,4\}\) হলে \(A - B = ?\)
▼
ক.
\(\{1,3\}\)
খ.
\(\{6,8\}\)
গ.
\(\{2,4\}\)
ঘ.
\(\{1,2,3,4,6,8\}\)
Chittagong Board 2023
Q2
MCQ
\(n(A) = 15\), \(n(B) = 12\), \(n(A \cup B) = 22\). Find \(n(A \cap B)\).
\(n(A) = 15\), \(n(B) = 12\), \(n(A \cup B) = 22\) হলে \(n(A \cap B) = ?\)
▼
ক.
3
খ.
5
গ.
7
ঘ.
10
Chittagong Board 2023
Q3
MCQ
If \(g(x) = 2x^2 - 3\), then \(g(2) = ?\)
\(g(x) = 2x^2 - 3\) হলে \(g(2) = ?\)
▼
ক.
1
খ.
3
গ.
5
ঘ.
7
Comilla Board 2023
Q1
MCQ
If \(A = \{1,2,3,4\}\) and \(B = \{3,4,5,6\}\), then \(A \cap B = ?\)
যদি \(A = \{1,2,3,4\}\) এবং \(B = \{3,4,5,6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1,2\}\)
খ.
\(\{3,4\}\)
গ.
\(\{5,6\}\)
ঘ.
\(\{1,2,3,4,5,6\}\)
Comilla Board 2023
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
10
খ.
20
গ.
30
ঘ.
80
Comilla Board 2023
Q3
MCQ
If \(f(x) = 3x - 1\), then \(f(3) = ?\)
\(f(x) = 3x - 1\) হলে \(f(3) = ?\)
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Dhaka Board 2023
Q1
MCQ
If \(A = \{1,2,3,4\}\) and \(B = \{3,4,5,6\}\), then \(A \cap B = ?\)
যদি \(A = \{1,2,3,4\}\) এবং \(B = \{3,4,5,6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1,2\}\)
খ.
\(\{3,4\}\)
গ.
\(\{5,6\}\)
ঘ.
\(\{1,2,3,4,5,6\}\)
Dhaka Board 2023
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
10
খ.
20
গ.
30
ঘ.
80
Dhaka Board 2023
Q3
MCQ
If \(f(x) = 3x - 1\), then \(f(3) = ?\)
\(f(x) = 3x - 1\) হলে \(f(3) = ?\)
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Dinajpur Board 2023
Q1
MCQ
If \(A = \{1,2,3,4\}\) and \(B = \{3,4,5,6\}\), then \(A \cap B = ?\)
যদি \(A = \{1,2,3,4\}\) এবং \(B = \{3,4,5,6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1,2\}\)
খ.
\(\{3,4\}\)
গ.
\(\{5,6\}\)
ঘ.
\(\{1,2,3,4,5,6\}\)
Dinajpur Board 2023
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
10
খ.
20
গ.
30
ঘ.
80
Dinajpur Board 2023
Q3
MCQ
If \(f(x) = 3x - 1\), then \(f(3) = ?\)
\(f(x) = 3x - 1\) হলে \(f(3) = ?\)
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Jessore Board 2023
Q1
MCQ
If \(A = \{1,2,3,4\}\) and \(B = \{3,4,5,6\}\), then \(A \cap B = ?\)
যদি \(A = \{1,2,3,4\}\) এবং \(B = \{3,4,5,6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1,2\}\)
খ.
\(\{3,4\}\)
গ.
\(\{5,6\}\)
ঘ.
\(\{1,2,3,4,5,6\}\)
Jessore Board 2023
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
10
খ.
20
গ.
30
ঘ.
80
Jessore Board 2023
Q3
MCQ
If \(f(x) = 3x - 1\), then \(f(3) = ?\)
\(f(x) = 3x - 1\) হলে \(f(3) = ?\)
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Mymensingh Board 2023
Q1
MCQ
If \(A = \{1,2,3,4\}\) and \(B = \{3,4,5,6\}\), then \(A \cap B = ?\)
যদি \(A = \{1,2,3,4\}\) এবং \(B = \{3,4,5,6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1,2\}\)
খ.
\(\{3,4\}\)
গ.
\(\{5,6\}\)
ঘ.
\(\{1,2,3,4,5,6\}\)
Mymensingh Board 2023
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
10
খ.
20
গ.
30
ঘ.
80
Mymensingh Board 2023
Q3
MCQ
If \(f(x) = 3x - 1\), then \(f(3) = ?\)
\(f(x) = 3x - 1\) হলে \(f(3) = ?\)
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Rajshahi Board 2023
Q1
MCQ
If \(A = \{a,b,c\}\), the number of proper subsets is:
\(A = \{a,b,c\}\) হলে প্রকৃত উপসেটের সংখ্যা:
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Rajshahi Board 2023
Q2
MCQ
\(A \cup \emptyset = ?\)
\(A \cup \emptyset = ?\)
▼
ক.
\(\emptyset\)
খ.
\(A\)
গ.
\(U\)
ঘ.
\(A'\)
Rajshahi Board 2023
Q3
MCQ
If \(f(x) = x^2 + 1\), then \(f(-2) = ?\)
\(f(x) = x^2 + 1\) হলে \(f(-2) = ?\)
▼
ক.
3
খ.
5
গ.
-3
ঘ.
-5
Rajshahi Board 2023
Q30
MCQ
If \(f(x) = \frac{x+1}{x-1}\), then \(f(3) = ?\)
\(f(x) = \frac{x+1}{x-1}\) হলে \(f(3) = ?\)
▼
ক.
1
খ.
2
গ.
3
ঘ.
4
Sylhet Board 2023
Q1
MCQ
If \(A = \{1,2,3,4\}\) and \(B = \{3,4,5,6\}\), then \(A \cap B = ?\)
যদি \(A = \{1,2,3,4\}\) এবং \(B = \{3,4,5,6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1,2\}\)
খ.
\(\{3,4\}\)
গ.
\(\{5,6\}\)
ঘ.
\(\{1,2,3,4,5,6\}\)
Sylhet Board 2023
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
10
খ.
20
গ.
30
ঘ.
80
Sylhet Board 2023
Q3
MCQ
If \(f(x) = 3x - 1\), then \(f(3) = ?\)
\(f(x) = 3x - 1\) হলে \(f(3) = ?\)
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Barisal Board 2022
Q1
MCQ
If \(A = \{1,2,3,4\}\) and \(B = \{3,4,5,6\}\), find \(A \cap B\).
যদি \(A = \{1,2,3,4\}\) এবং \(B = \{3,4,5,6\}\) হয়, তাহলে \(A \cap B\) নির্ণয় করো।
▼
ক.
\(\{1,2\}\)
খ.
\(\{3,4\}\)
গ.
\(\{5,6\}\)
ঘ.
\(\{1,2,3,4,5,6\}\)
Barisal Board 2022
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), \(n(B) = 25\), \(n(A \cap B) = 10\), find \(n((A \cup B)')\).
▼
ক.
5
খ.
10
গ.
15
ঘ.
45
Barisal Board 2022
Q3
MCQ
If \(f(x) = 3x - 5\), find \(f^{-1}(7)\).
\(f(x) = 3x - 5\) হলে \(f^{-1}(7)\) = ?
▼
ক.
2
খ.
3
গ.
4
ঘ.
16
Chittagong Board 2022
Q1
MCQ
If \(A = \{x : x \text{ is a prime number less than 10}\}\), find \(n(A)\).
\(A = \{x : x, 10 \text{ এর ছোট মৌলিক সংখ্যা}\}\) হলে \(n(A)\) = ?
▼
ক.
3
খ.
4
গ.
5
ঘ.
6
Chittagong Board 2022
Q2
MCQ
\(A \cup \emptyset = ?\)
\(A \cup \emptyset\) = ?
▼
ক.
\(\emptyset\)
খ.
\(A\)
গ.
\(U\)
ঘ.
\(A'\)
Chittagong Board 2022
Q3
MCQ
If \(f(x) = 2x^2 + 1\), find \(f(-2)\).
\(f(x) = 2x^2 + 1\) হলে \(f(-2)\) = ?
▼
ক.
5
খ.
7
গ.
9
ঘ.
11
Comilla Board 2022
Q1
MCQ
If \(A = \{1,2,3,4\}\) and \(B = \{3,4,5,6\}\), find \(A \cap B\).
যদি \(A = \{1,2,3,4\}\) এবং \(B = \{3,4,5,6\}\) হয়, তাহলে \(A \cap B\) নির্ণয় করো।
▼
ক.
\(\{1,2\}\)
খ.
\(\{3,4\}\)
গ.
\(\{5,6\}\)
ঘ.
\(\{1,2,3,4,5,6\}\)
Comilla Board 2022
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), \(n(B) = 25\), \(n(A \cap B) = 10\), find \(n((A \cup B)')\).
▼
ক.
5
খ.
10
গ.
15
ঘ.
45
Comilla Board 2022
Q3
MCQ
If \(f(x) = 3x - 5\), find \(f^{-1}(7)\).
\(f(x) = 3x - 5\) হলে \(f^{-1}(7)\) = ?
▼
ক.
2
খ.
3
গ.
4
ঘ.
16
Dhaka Board 2022
Q1
MCQ
If \(A = \{1,2,3,4\}\) and \(B = \{3,4,5,6\}\), find \(A \cap B\).
যদি \(A = \{1,2,3,4\}\) এবং \(B = \{3,4,5,6\}\) হয়, তাহলে \(A \cap B\) নির্ণয় করো।
▼
ক.
\(\{1,2\}\)
খ.
\(\{3,4\}\)
গ.
\(\{5,6\}\)
ঘ.
\(\{1,2,3,4,5,6\}\)
Dhaka Board 2022
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), \(n(B) = 25\), \(n(A \cap B) = 10\), find \(n((A \cup B)')\).
▼
ক.
5
খ.
10
গ.
15
ঘ.
45
Dhaka Board 2022
Q3
MCQ
If \(f(x) = 3x - 5\), find \(f^{-1}(7)\).
\(f(x) = 3x - 5\) হলে \(f^{-1}(7)\) = ?
▼
ক.
2
খ.
3
গ.
4
ঘ.
16
Dinajpur Board 2022
Q1
MCQ
If \(A = \{1,2,3,4\}\) and \(B = \{3,4,5,6\}\), find \(A \cap B\).
যদি \(A = \{1,2,3,4\}\) এবং \(B = \{3,4,5,6\}\) হয়, তাহলে \(A \cap B\) নির্ণয় করো।
▼
ক.
\(\{1,2\}\)
খ.
\(\{3,4\}\)
গ.
\(\{5,6\}\)
ঘ.
\(\{1,2,3,4,5,6\}\)
Dinajpur Board 2022
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), \(n(B) = 25\), \(n(A \cap B) = 10\), find \(n((A \cup B)')\).
▼
ক.
5
খ.
10
গ.
15
ঘ.
45
Dinajpur Board 2022
Q3
MCQ
If \(f(x) = 3x - 5\), find \(f^{-1}(7)\).
\(f(x) = 3x - 5\) হলে \(f^{-1}(7)\) = ?
▼
ক.
2
খ.
3
গ.
4
ঘ.
16
Jessore Board 2022
Q1
MCQ
If \(A = \{1,2,3,4\}\) and \(B = \{3,4,5,6\}\), find \(A \cap B\).
যদি \(A = \{1,2,3,4\}\) এবং \(B = \{3,4,5,6\}\) হয়, তাহলে \(A \cap B\) নির্ণয় করো।
▼
ক.
\(\{1,2\}\)
খ.
\(\{3,4\}\)
গ.
\(\{5,6\}\)
ঘ.
\(\{1,2,3,4,5,6\}\)
Jessore Board 2022
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), \(n(B) = 25\), \(n(A \cap B) = 10\), find \(n((A \cup B)')\).
▼
ক.
5
খ.
10
গ.
15
ঘ.
45
Jessore Board 2022
Q3
MCQ
If \(f(x) = 3x - 5\), find \(f^{-1}(7)\).
\(f(x) = 3x - 5\) হলে \(f^{-1}(7)\) = ?
▼
ক.
2
খ.
3
গ.
4
ঘ.
16
Mymensingh Board 2022
Q1
MCQ
If \(A = \{1,2,3,4\}\) and \(B = \{3,4,5,6\}\), find \(A \cap B\).
যদি \(A = \{1,2,3,4\}\) এবং \(B = \{3,4,5,6\}\) হয়, তাহলে \(A \cap B\) নির্ণয় করো।
▼
ক.
\(\{1,2\}\)
খ.
\(\{3,4\}\)
গ.
\(\{5,6\}\)
ঘ.
\(\{1,2,3,4,5,6\}\)
Mymensingh Board 2022
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), \(n(B) = 25\), \(n(A \cap B) = 10\), find \(n((A \cup B)')\).
▼
ক.
5
খ.
10
গ.
15
ঘ.
45
Mymensingh Board 2022
Q3
MCQ
If \(f(x) = 3x - 5\), find \(f^{-1}(7)\).
\(f(x) = 3x - 5\) হলে \(f^{-1}(7)\) = ?
▼
ক.
2
খ.
3
গ.
4
ঘ.
16
Rajshahi Board 2022
Q1
MCQ
If \(A = \{a, b, c\}\), how many proper subsets does \(A\) have?
\(A = \{a, b, c\}\) হলে \(A\) এর প্রকৃত উপসেটের সংখ্যা কত?
▼
ক.
6
খ.
7
গ.
8
ঘ.
9
Rajshahi Board 2022
Q2
MCQ
If \(A \cup B = A\), then which is true?
\(A \cup B = A\) হলে কোনটি সত্য?
▼
ক.
\(A \subset B\)
খ.
\(B \subseteq A\)
গ.
\(A = \emptyset\)
ঘ.
\(B = U\)
Rajshahi Board 2022
Q3
MCQ
If \(f(x) = x^2 - 4x + 3\), find \(f(1)\).
\(f(x) = x^2 - 4x + 3\) হলে \(f(1)\) = ?
▼
ক.
-2
খ.
0
গ.
2
ঘ.
4
Sylhet Board 2022
Q1
MCQ
If \(A = \{1,2,3,4\}\) and \(B = \{3,4,5,6\}\), find \(A \cap B\).
যদি \(A = \{1,2,3,4\}\) এবং \(B = \{3,4,5,6\}\) হয়, তাহলে \(A \cap B\) নির্ণয় করো।
▼
ক.
\(\{1,2\}\)
খ.
\(\{3,4\}\)
গ.
\(\{5,6\}\)
ঘ.
\(\{1,2,3,4,5,6\}\)
Sylhet Board 2022
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), \(n(B) = 25\), \(n(A \cap B) = 10\), find \(n((A \cup B)')\).
▼
ক.
5
খ.
10
গ.
15
ঘ.
45
Sylhet Board 2022
Q3
MCQ
If \(f(x) = 3x - 5\), find \(f^{-1}(7)\).
\(f(x) = 3x - 5\) হলে \(f^{-1}(7)\) = ?
▼
ক.
2
খ.
3
গ.
4
ঘ.
16
Barisal Board 2021
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 3, 4, 5, 6\}\)
Barisal Board 2021
Q2
MCQ
If \(n(A) = 30\), \(n(B) = 25\), \(n(A \cup B) = 45\), then \(n(A \cap B) = ?\)
\(n(A) = 30\), \(n(B) = 25\), \(n(A \cup B) = 45\) হলে \(n(A \cap B) = ?\)
▼
ক.
5
খ.
10
গ.
15
ঘ.
20
Barisal Board 2021
Q3
MCQ
If \(f(x) = 3x - 2\), then \(f(3) = ?\)
\(f(x) = 3x - 2\) হলে \(f(3) = ?\)
▼
ক.
5
খ.
7
গ.
9
ঘ.
11
Chittagong Board 2021
Q1
MCQ
If \(A \cup B = A\), then:
\(A \cup B = A\) হলে:
▼
ক.
\(A \subset B\)
খ.
\(B \subset A\)
গ.
\(A = \emptyset\)
ঘ.
\(B = U\)
Chittagong Board 2021
Q2
MCQ
Power set of \(\{a, b\}\) is:
\(\{a, b\}\) এর ঘাত সেট:
▼
ক.
\(\{a, b\}\)
খ.
\(\{\emptyset, \{a\}, \{b\}\}\)
গ.
\(\{\emptyset, \{a\}, \{b\}, \{a,b\}\}\)
ঘ.
\(\{\{a\}, \{b\}\}\)
Chittagong Board 2021
Q3
MCQ
If \(g(x) = 2x^2 - 3\), then \(g(2) = ?\)
\(g(x) = 2x^2 - 3\) হলে \(g(2) = ?\)
▼
ক.
1
খ.
3
গ.
5
ঘ.
7
Comilla Board 2021
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 3, 4, 5, 6\}\)
Comilla Board 2021
Q2
MCQ
If \(n(A) = 30\), \(n(B) = 25\), \(n(A \cup B) = 45\), then \(n(A \cap B) = ?\)
\(n(A) = 30\), \(n(B) = 25\), \(n(A \cup B) = 45\) হলে \(n(A \cap B) = ?\)
▼
ক.
5
খ.
10
গ.
15
ঘ.
20
Comilla Board 2021
Q3
MCQ
If \(f(x) = 3x - 2\), then \(f(3) = ?\)
\(f(x) = 3x - 2\) হলে \(f(3) = ?\)
▼
ক.
5
খ.
7
গ.
9
ঘ.
11
Dhaka Board 2021
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 3, 4, 5, 6\}\)
Dhaka Board 2021
Q2
MCQ
If \(n(A) = 30\), \(n(B) = 25\), \(n(A \cup B) = 45\), then \(n(A \cap B) = ?\)
\(n(A) = 30\), \(n(B) = 25\), \(n(A \cup B) = 45\) হলে \(n(A \cap B) = ?\)
▼
ক.
5
খ.
10
গ.
15
ঘ.
20
Dhaka Board 2021
Q3
MCQ
If \(f(x) = 3x - 2\), then \(f(3) = ?\)
\(f(x) = 3x - 2\) হলে \(f(3) = ?\)
▼
ক.
5
খ.
7
গ.
9
ঘ.
11
Dinajpur Board 2021
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 3, 4, 5, 6\}\)
Dinajpur Board 2021
Q2
MCQ
If \(n(A) = 30\), \(n(B) = 25\), \(n(A \cup B) = 45\), then \(n(A \cap B) = ?\)
\(n(A) = 30\), \(n(B) = 25\), \(n(A \cup B) = 45\) হলে \(n(A \cap B) = ?\)
▼
ক.
5
খ.
10
গ.
15
ঘ.
20
Dinajpur Board 2021
Q3
MCQ
If \(f(x) = 3x - 2\), then \(f(3) = ?\)
\(f(x) = 3x - 2\) হলে \(f(3) = ?\)
▼
ক.
5
খ.
7
গ.
9
ঘ.
11
Jessore Board 2021
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 3, 4, 5, 6\}\)
Jessore Board 2021
Q2
MCQ
If \(n(A) = 30\), \(n(B) = 25\), \(n(A \cup B) = 45\), then \(n(A \cap B) = ?\)
\(n(A) = 30\), \(n(B) = 25\), \(n(A \cup B) = 45\) হলে \(n(A \cap B) = ?\)
▼
ক.
5
খ.
10
গ.
15
ঘ.
20
Jessore Board 2021
Q3
MCQ
If \(f(x) = 3x - 2\), then \(f(3) = ?\)
\(f(x) = 3x - 2\) হলে \(f(3) = ?\)
▼
ক.
5
খ.
7
গ.
9
ঘ.
11
Mymensingh Board 2021
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 3, 4, 5, 6\}\)
Mymensingh Board 2021
Q2
MCQ
If \(n(A) = 30\), \(n(B) = 25\), \(n(A \cup B) = 45\), then \(n(A \cap B) = ?\)
\(n(A) = 30\), \(n(B) = 25\), \(n(A \cup B) = 45\) হলে \(n(A \cap B) = ?\)
▼
ক.
5
খ.
10
গ.
15
ঘ.
20
Mymensingh Board 2021
Q3
MCQ
If \(f(x) = 3x - 2\), then \(f(3) = ?\)
\(f(x) = 3x - 2\) হলে \(f(3) = ?\)
▼
ক.
5
খ.
7
গ.
9
ঘ.
11
Rajshahi Board 2021
Q1
MCQ
If \(U = \{1,2,3,4,5,6,7\}\) and \(A = \{2,4,6\}\), then \(A' = ?\)
\(U = \{1,2,3,4,5,6,7\}\) এবং \(A = \{2,4,6\}\) হলে \(A' = ?\)
▼
ক.
\(\{1,3,5\}\)
খ.
\(\{1,3,5,7\}\)
গ.
\(\{2,4,6\}\)
ঘ.
\(\{1,2,3\}\)
Rajshahi Board 2021
Q2
MCQ
\(A = \{x : x \in \mathbb{N}, x < 6\}\). What is \(n(A)\)?
\(A = \{x : x \in \mathbb{N}, x < 6\}\) হলে \(n(A) = ?\)
▼
ক.
4
খ.
5
গ.
6
ঘ.
7
Rajshahi Board 2021
Q3
MCQ
If \(f(x) = x^2 + 1\), then \(f(-2) = ?\)
\(f(x) = x^2 + 1\) হলে \(f(-2) = ?\)
▼
ক.
3
খ.
4
গ.
5
ঘ.
−3
Sylhet Board 2021
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 3, 4, 5, 6\}\)
Sylhet Board 2021
Q2
MCQ
If \(n(A) = 30\), \(n(B) = 25\), \(n(A \cup B) = 45\), then \(n(A \cap B) = ?\)
\(n(A) = 30\), \(n(B) = 25\), \(n(A \cup B) = 45\) হলে \(n(A \cap B) = ?\)
▼
ক.
5
খ.
10
গ.
15
ঘ.
20
Sylhet Board 2021
Q3
MCQ
If \(f(x) = 3x - 2\), then \(f(3) = ?\)
\(f(x) = 3x - 2\) হলে \(f(3) = ?\)
▼
ক.
5
খ.
7
গ.
9
ঘ.
11
Barisal Board 2020
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 3, 4, 5, 6\}\)
Barisal Board 2020
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
20
খ.
30
গ.
50
ঘ.
80
Barisal Board 2020
Q3
MCQ
If \(f(x) = 3x - 2\), then \(f(3) = ?\)
\(f(x) = 3x - 2\) হলে \(f(3) = ?\)
▼
ক.
5
খ.
7
গ.
9
ঘ.
11
Barisal Board 2020
Q4
MCQ
If \(f(x) = x^2 + 1\), what is the range of \(f\)?
\(f(x) = x^2 + 1\) হলে \(f\) এর পাল্লা কোনটি?
▼
ক.
\(\{y : y \geq 0\}\)
খ.
\(\{y : y \geq 1\}\)
গ.
\(\{y : y > 0\}\)
ঘ.
\(\mathbb{R}\)
Chittagong Board 2020
Q1
MCQ
If \(A = \{a, b, c\}\) and \(B = \{b, c, d, e\}\), then \(A - B = ?\)
\(A = \{a, b, c\}\) এবং \(B = \{b, c, d, e\}\) হলে \(A - B = ?\)
▼
ক.
\(\{a\}\)
খ.
\(\{d, e\}\)
গ.
\(\{a, d, e\}\)
ঘ.
\(\{b, c\}\)
Chittagong Board 2020
Q2
MCQ
For any set \(A\), \(A \cap \emptyset = ?\)
যেকোনো সেট \(A\) এর জন্য \(A \cap \emptyset = ?\)
▼
ক.
\(A\)
খ.
\(U\)
গ.
\(\emptyset\)
ঘ.
\(A'\)
Chittagong Board 2020
Q3
MCQ
If \(g(x) = \frac{x+1}{x-1}\), then \(g(3) = ?\)
\(g(x) = \frac{x+1}{x-1}\) হলে \(g(3) = ?\)
▼
ক.
1
খ.
2
গ.
3
ঘ.
4
Chittagong Board 2020
Q4
MCQ
The domain of \(f(x) = \sqrt{x - 3}\) is:
\(f(x) = \sqrt{x - 3}\) এর ডোমেইন:
▼
ক.
\(x > 3\)
খ.
\(x \geq 3\)
গ.
\(x \leq 3\)
ঘ.
All real numbers
Comilla Board 2020
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 3, 4, 5, 6\}\)
Comilla Board 2020
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
20
খ.
30
গ.
50
ঘ.
80
Comilla Board 2020
Q3
MCQ
If \(f(x) = 3x - 2\), then \(f(3) = ?\)
\(f(x) = 3x - 2\) হলে \(f(3) = ?\)
▼
ক.
5
খ.
7
গ.
9
ঘ.
11
Comilla Board 2020
Q4
MCQ
If \(f(x) = x^2 + 1\), what is the range of \(f\)?
\(f(x) = x^2 + 1\) হলে \(f\) এর পাল্লা কোনটি?
▼
ক.
\(\{y : y \geq 0\}\)
খ.
\(\{y : y \geq 1\}\)
গ.
\(\{y : y > 0\}\)
ঘ.
\(\mathbb{R}\)
Dhaka Board 2020
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 3, 4, 5, 6\}\)
Dhaka Board 2020
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
20
খ.
30
গ.
50
ঘ.
80
Dhaka Board 2020
Q3
MCQ
If \(f(x) = 3x - 2\), then \(f(3) = ?\)
\(f(x) = 3x - 2\) হলে \(f(3) = ?\)
▼
ক.
5
খ.
7
গ.
9
ঘ.
11
Dhaka Board 2020
Q4
MCQ
If \(f(x) = x^2 + 1\), what is the range of \(f\)?
\(f(x) = x^2 + 1\) হলে \(f\) এর পাল্লা কোনটি?
▼
ক.
\(\{y : y \geq 0\}\)
খ.
\(\{y : y \geq 1\}\)
গ.
\(\{y : y > 0\}\)
ঘ.
\(\mathbb{R}\)
Dinajpur Board 2020
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 3, 4, 5, 6\}\)
Dinajpur Board 2020
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
20
খ.
30
গ.
50
ঘ.
80
Dinajpur Board 2020
Q3
MCQ
If \(f(x) = 3x - 2\), then \(f(3) = ?\)
\(f(x) = 3x - 2\) হলে \(f(3) = ?\)
▼
ক.
5
খ.
7
গ.
9
ঘ.
11
Dinajpur Board 2020
Q4
MCQ
If \(f(x) = x^2 + 1\), what is the range of \(f\)?
\(f(x) = x^2 + 1\) হলে \(f\) এর পাল্লা কোনটি?
▼
ক.
\(\{y : y \geq 0\}\)
খ.
\(\{y : y \geq 1\}\)
গ.
\(\{y : y > 0\}\)
ঘ.
\(\mathbb{R}\)
Jessore Board 2020
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 3, 4, 5, 6\}\)
Jessore Board 2020
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
20
খ.
30
গ.
50
ঘ.
80
Jessore Board 2020
Q3
MCQ
If \(f(x) = 3x - 2\), then \(f(3) = ?\)
\(f(x) = 3x - 2\) হলে \(f(3) = ?\)
▼
ক.
5
খ.
7
গ.
9
ঘ.
11
Jessore Board 2020
Q4
MCQ
If \(f(x) = x^2 + 1\), what is the range of \(f\)?
\(f(x) = x^2 + 1\) হলে \(f\) এর পাল্লা কোনটি?
▼
ক.
\(\{y : y \geq 0\}\)
খ.
\(\{y : y \geq 1\}\)
গ.
\(\{y : y > 0\}\)
ঘ.
\(\mathbb{R}\)
Mymensingh Board 2020
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 3, 4, 5, 6\}\)
Mymensingh Board 2020
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
20
খ.
30
গ.
50
ঘ.
80
Mymensingh Board 2020
Q3
MCQ
If \(f(x) = 3x - 2\), then \(f(3) = ?\)
\(f(x) = 3x - 2\) হলে \(f(3) = ?\)
▼
ক.
5
খ.
7
গ.
9
ঘ.
11
Mymensingh Board 2020
Q4
MCQ
If \(f(x) = x^2 + 1\), what is the range of \(f\)?
\(f(x) = x^2 + 1\) হলে \(f\) এর পাল্লা কোনটি?
▼
ক.
\(\{y : y \geq 0\}\)
খ.
\(\{y : y \geq 1\}\)
গ.
\(\{y : y > 0\}\)
ঘ.
\(\mathbb{R}\)
Rajshahi Board 2020
Q1
MCQ
If \(A = \{2, 4, 6\}\), how many proper subsets does \(A\) have?
\(A = \{2, 4, 6\}\) এর প্রকৃত উপসেটের সংখ্যা কত?
▼
ক.
6
খ.
7
গ.
8
ঘ.
3
Rajshahi Board 2020
Q2
MCQ
\(A \cup A' = ?\)
\(A \cup A' = ?\)
▼
ক.
\(A\)
খ.
\(A'\)
গ.
\(U\)
ঘ.
\(\emptyset\)
Rajshahi Board 2020
Q3
MCQ
If \(f(x) = x^2 - 4x + 3\), then \(f(1) = ?\)
\(f(x) = x^2 - 4x + 3\) হলে \(f(1) = ?\)
▼
ক.
0
খ.
1
গ.
2
ঘ.
−1
Rajshahi Board 2020
Q4
MCQ
Which one is a one-to-one function?
কোনটি এক-এক ফাংশন?
▼
ক.
\(f(x) = x^2\)
খ.
\(f(x) = |x|\)
গ.
\(f(x) = 2x + 1\)
ঘ.
\(f(x) = \sin x\)
Sylhet Board 2020
Q1
MCQ
If \(A = \{1, 2, 3, 4\}\) and \(B = \{3, 4, 5, 6\}\), then \(A \cap B = ?\)
যদি \(A = \{1, 2, 3, 4\}\) এবং \(B = \{3, 4, 5, 6\}\) হয়, তাহলে \(A \cap B = ?\)
▼
ক.
\(\{1, 2\}\)
খ.
\(\{3, 4\}\)
গ.
\(\{5, 6\}\)
ঘ.
\(\{1, 2, 3, 4, 5, 6\}\)
Sylhet Board 2020
Q2
MCQ
If \(n(U) = 50\), \(n(A) = 30\), then \(n(A') = ?\)
\(n(U) = 50\), \(n(A) = 30\) হলে \(n(A') = ?\)
▼
ক.
20
খ.
30
গ.
50
ঘ.
80
Sylhet Board 2020
Q3
MCQ
If \(f(x) = 3x - 2\), then \(f(3) = ?\)
\(f(x) = 3x - 2\) হলে \(f(3) = ?\)
▼
ক.
5
খ.
7
গ.
9
ঘ.
11
Sylhet Board 2020
Q4
MCQ
If \(f(x) = x^2 + 1\), what is the range of \(f\)?
\(f(x) = x^2 + 1\) হলে \(f\) এর পাল্লা কোনটি?
▼
ক.
\(\{y : y \geq 0\}\)
খ.
\(\{y : y \geq 1\}\)
গ.
\(\{y : y > 0\}\)
ঘ.
\(\mathbb{R}\)