• A. 12
• B. 14
• C. 16
• D. 18

Answer: Option D

Explanation:

• A. $x=\frac{\pi }{6}$
• B. $x=\frac{-3\pi }{2}$
• C. $x=\frac{\pi }{2}$
• D. $x=0$

Answer: Option A

Explanation:

• A. $০°$
• B. $৯০°$
• C. $৪৫°$
• D. $১৮০°$

Answer: Option B

Explanation:

• A. ১
• B. অনির্ণেয়
• C. ০.০
• D. ০

Answer: Option B

Explanation:

• A. $4.72\times {10}^{-5}$
• B. $4.72\times {10}^{-3}$
• C. $4.72\times {10}^{-4}$
• D. $4.72\times {10}^{-7}$

Answer: Option A

Explanation:

• A. 0.550000325
• B. 0.550000625
• C. 0.550000525
• D. 0.550000425

Answer: Option B

Explanation:

• A. $2a^2{b}^2$
• B. $2b^2$
• C. $2ab$
• D. $2a^2$

Answer: Option B

Explanation:

• A. 3
• B. -3
• C. 7
• D. 9

Answer: Option B

Explanation:

• A. 3
• B. -3
• C. 7
• D. 9

Answer: Option B

Explanation:

• A. 3
• B. -3
• C. 7
• D. 9

Answer: Option B

Explanation:

• A. 3
• B. -3
• C. 7
• D. 9

Answer: Option B

Explanation:

• A. 3
• B. -3
• C. 9
• D. কোনটিই নয়

Answer: Option B

Explanation:

• A. 3
• B. -3
• C. 7
• D. 9

Answer: Option B

Explanation:

• A. 1106.8 m
• B. 1200 m
• C. 1650 m
• D. 550.50 m

Answer: Option A

Explanation:

• A. $6\sqrt{3.6}$
• B. $6.6\sqrt{2}$
• C. $24.24\sqrt{3}$
• D. $24\sqrt{2.24}$

Answer: Option A

Explanation: