• A. $2\sqrt{3}$
• B. 3
• C. 4
• D. 12

Answer: Option A

Explanation:

• A. 120
• B. 125
• C. 225
• D. 375

Answer: Option B

Explanation:

• B. 5x
• C. 5
• D. 1

Answer: Option D

Explanation:

• A. 9
• B. 27
• C. 18
• D. 81

Answer: Option B

Explanation:

• A. 2
• B. 3
• C. -2
• D. -3

Answer: Option C

Explanation:

• A. ${\log }_{a}m-{\log }_{a}n$
• B. ${\log }_{a}m+{\log }_{a}n$
• C. ${\log }_{a}m\times {\log }_{a}n$
• D. কোনটিই নয়

Answer: Option A

Explanation:

• A. log 30
• B. log 40
• C. 3 log 7
• D. log 13

Answer: Option B

Explanation:

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

Answer: Option D

Explanation:

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

Answer: Option B

Explanation:

• A. ৭৯৮
• B. ৮০০
• C. ৮০২
• D. ৮০৬

Answer: Option D

Explanation:

• A. ৪০
• B. ৫৫
• C. ৬৮
• D. ৮৯

Answer: Option B

Explanation:

• A. 233
• B. 99
• C. 160
• D. 80

Answer: Option A

Explanation:

• A. -৭
• B. -১৬
• C. ৭
• D. ১৬

Answer: Option B

Explanation:

• A. - 1
• B. 1
• D. 2

Answer: Option B

Explanation:

• A. -1
• B. 1
• D. 2

Answer: Option A

Explanation: