• A. ৫৬
• B. ৫৮
• C. ৬০
• D. ৫৭

Answer: Option D

Explanation:

• A. $\frac{n-1}{n+1}$
• B. $\frac{2n}{n+1}$
• C. $\frac{1}{n}$
• D. $\frac{n}{n+1}$

Answer: Option D

Explanation:

• A. $\frac{-1}{3}$
• B. $-3$
• C. $\frac{1}{3}$
• D. $3$

Answer: Option C

Explanation:

• A. sin 1 ° = sin 179 °
• B. sin 1 ° < sin 179 °
• C. sin 1 ° < sin 180 °
• D. sin 1 ° = sin 181 °

Answer: Option A

Explanation:

• A. ১৮
• B. ১৫
• C. ২২
• D. ১০

Answer: Option B

Explanation:

• A. 1224
• B. 1254
• C. 1524
• D. 1560

Answer: Option B

Explanation:

• A. $-1$
• B. $-5$
• C. $-8$
• D. $-3$

Answer: Option B

Explanation:

• A. $১{২}^{২}$
• B. $২{২}^{২}$
• C. $২{৪}^{২}$
• D. $২{৩}^{২}$

Answer: Option A

Explanation:

• A. $1$
• B. $0$
• C. $2$
• D. $10$

Answer: Option C

Explanation:

• A. $\sqrt{3}$
• B. $\frac{3}{2}$
• C. $3^2$
• D. $\frac{3}{2}$

Answer: Option D

Explanation:

• A. $a>0$
• B. $a \mathrm{Not}=1$
• C. $a>0,a \mathrm{Not}=1$
• D. $a \mathrm{Not}=1,a>2$

Answer: Option C

Explanation:

• A. $-6$
• B. $6$
• C. $-\frac{1}{6}$
• D. $\frac{1}{6}$

Answer: Option A

Explanation:

• A. $32$
• B. $8$
• C. $3$
• D. $\sqrt{8}$

Answer: Option A

Explanation:

• A. $2$
• B. $\pm 2$
• C. $4$
• D. $10$

Answer: Option A

Explanation:

• A. $2$
• B. $-2$
• C. $\frac{1}{2}$
• D. $-\frac{1}{2}$

Answer: Option B

Explanation: