• A. 5
• B. 30
• C. 31
• D. 100

Answer: Option C

Explanation:

• A. 12/7
• B. - 12/7
• C. 1
• D. 13/5

Answer: Option D

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:

• B. 45°
• C. 1
• D. 27°

Answer: Option C

Explanation:

• A. m ধনাত্মক হলে
• B. n ধনাত্মক হলে
• C. m ও n ধনাত্মক হলে
• D. m ধনাত্মক n ঋণাত্মক হলে

Answer: Option C

Explanation:

• A. 3.56
• B. 2.59
• C. 2.52
• D. 3.52

Answer: Option C

Explanation:

• A. 2
• B. 3
• C. -2
• D. -3

Answer: Option C

Explanation:

• A. 0.0593
• B. 0.00593
• C. 0.593
• D. 5.93

Answer: Option A

Explanation:

• A. 3470000
• B. 34700000
• C. 347000000
• D. 347000

Answer: Option C

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. $\left(\frac{১}{২৫}\right)$
• B. $\left(\frac{৫}{২০}\right)$
• C. $\left(\frac{৯}{২৫}\right)$
• D. $\left(\frac{৩}{২০}\right)$

Answer: Option C

Explanation:

• A. 30
• B. 60
• C. 225
• D. 115

Answer: Option C

Explanation:

• A. 9
• B. 27
• C. 18
• D. 81

Answer: Option B

Explanation:

• A. (8,4)
• B. ( 6,3)
• C. (2,1)
• D. (4,2)

Answer: Option D

Explanation:

• A. 3
• B. 6
• C. -4
• D. -2

Answer: Option C

Explanation: