• A. 4
• B. 3
• C. 2
• D. 1

Answer: Option A

Explanation:

• A. $\left\{1,2,3,\frac{2}{3}, 5.....\right\}$
• B. $\left\{-\infty ,\infty \right\}$
• C. $\left\{Q U Q\text{'}\right\}$
• D. $\left\{\pm 1,\pm 2,\pm 3..... \right\}$

Answer: Option C

Explanation:

• A. -4 ≤ x ≤ 4
• B. -2 ≤ x ≤ 0
• C. 2 ≤ r ≤ 2
• D. -2 ≤ x ≤ 2

Answer: Option B

Explanation:

• A. 1
• B. 2
• C. 3
• D. কোনোটিই নয়

Answer: Option D

Explanation:

• A. $\frac{3.25}{\sqrt[3]{64}}$
• B. $\frac{7}{\sqrt[3]{9}}$
• C. $\frac{3}{4}$
• D. $\frac{1}{2}$

Answer: Option B

Explanation:

• A. $p=c{(1+r)}^r$
• B. $c=p{(1+r)}^n$
• C. $c=p{(1+n)}^r$
• D. $c=p(1+r^n)$

Answer: Option B

Explanation:

• A. $4^x$
• B. $4^{x+1}$
• C. $4^{x+4}$
• D. $4^{x+6}$

Answer: Option B

Explanation:

• A. $\sqrt{5}$
• B. $\sqrt{7}$
• C. $\sqrt{10}$
• D. $\sqrt{4}$

Answer: Option D

Explanation:

• A. $\frac{x+y}{P+Q}$
• B. $\frac{x+y}{pq}$
• C. $\frac{px+Qy}{pq}$
• D. $\frac{px+qy}{p+q}$

Answer: Option D

Explanation:

• A. 1
• B. a
• C. -1
• D. a-1

Answer: Option A

Explanation:

• A. 2
• B. 4
• C. 9
• D. 10

Answer: Option D

Explanation:

• A. $2x^2$
• B. $4x$
• C. $4x^2$
• D. $4x^3$

Answer: Option D

Explanation:

• A. 8
• C. -1
• D. -8

Answer: Option A

Explanation:

• A. 1
• B. 2
• D. 3

Answer: Option D

Explanation:

• A. 10
• B. 12
• C. 16
• D. 20

Answer: Option B

Explanation: