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

Answer: Option B

Explanation:

• A. ১৮
• B. ১৫
• C. ২২
• D. ১০

Answer: Option B

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

Answer: Option C

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. ৫৬
• B. ৫৮
• C. ৬০
• D. ৫৭

Answer: Option D

Explanation:

• A. -1
• B. 1
• D. 2

Answer: Option A

Explanation:

• A. - 1
• B. 1
• D. 2

Answer: Option B

Explanation:

• A. -৭
• B. -১৬
• C. ৭
• D. ১৬

Answer: Option B

Explanation:

• A. 233
• B. 99
• C. 160
• D. 80

Answer: Option A

Explanation:

• A. ৪০
• B. ৫৫
• C. ৬৮
• D. ৮৯

Answer: Option B

Explanation:

• A. ৭৯৮
• B. ৮০০
• C. ৮০২
• D. ৮০৬

Answer: Option D

Explanation:

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

Answer: Option B

Explanation:

• A. $\frac{1}{3}$
• B. 3
• C. $-\frac{1}{2}$
• D. $\frac{1}{2}$

Answer: Option D

Explanation:

• A. ${12}^2$
• B. ${12}^3$
• C. ${12}^4$
• D. ${12}^5$

Answer: Option C

Explanation: