• A. 1,2,3,5
• B. 1,3,5,7
• C. 2,4,6,8
• D. {-1,-2,-3,-4}

Answer: Option D

Explanation:

• A. {3,5,8}
• B. {4,57}
• C. {3,4,5}
• D. {3,5,7}

Answer: Option D

Explanation:

• A. $\left\{\left(2,3\right),\left(3,4\right),\left(4,5\right)\right\}$
• B. $\left\{\left(1,2\right),\left(2,3\right),\left(3,4\right)\right\}$
• C. $\left\{\left(3,4\right),\left(3,5\right),\left(4,6\right)\right\}$
• D. $\left\{\left(1,4\right),\left(2,4\right),\left(5,4\right)\right\}$

Answer: Option A

Explanation:

• A. {2,2,3}
• B. {2,2,2}
• C. {2,3,4}
• D. {3}

Answer: Option C

Explanation:

• A. ৪
• B. ৮
• C. ১৫
• D. ১৮

Answer: Option C

Explanation:

• A. 2 : 3
• B. 5 : 9
• C. 5 : 12
• D. 7 : 12

Answer: Option C

Explanation:

• A. $\left(3,\frac{1}{2}\right)$
• B. $\left(3,-\frac{1}{2}\right)$
• C. $\left(2,-\frac{1}{3}\right)$
• D. $\left(-2,3\right)$

Answer: Option B

Explanation:

• A. {1,2,3}
• B. {2,3,4}
• C. {3,4,5}
• D. {2,3,4,5}

Answer: Option D

Explanation:

• A. কোনোটিই নয়
• B. x > 2
• C. 2 < x < 3
• D. x < 3

Answer: Option C

Explanation:

• A. x>2
• B. x<3
• C. 2
• D. কোনোটিই নয়

Answer: Option D

Explanation: