• A. $4$
• B. $5$
• C. $8$
• D. $10$

Answer: Option A

Explanation:

• A. $9$
• B. $8$
• C. $6$
• D. $4$

Answer: Option B

Explanation:

• A. $\frac{2}{5}$
• B. $\frac{5}{2}$
• C. $\frac{7}{4}$
• D. $\frac{11}{2}$

Answer: Option B

Explanation:

• A. $4$
• B. $6$
• C. $9$
• D. $8$

Answer: Option D

Explanation:

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

Answer: Option A

Explanation:

• A. 8
• B. 3
• C. 5
• D. 4

Answer: Option D

Explanation:

• A. $\frac{১}{২৫}$
• B. $\frac{৫}{২০}$
• C. $\frac{৯}{২৫}$
• D. $\frac{৩}{২০}$

Answer: Option C

Explanation:

• B. 1
• C. -1
• D. 4

Answer: Option A

Explanation:

• A. 9
• B. 27
• C. 18
• D. 81

Answer: Option B

Explanation:

• A. $a=0$
• B. $a\not\equiv 0$
• C. $a>0$
• D. $a\not\equiv 1$

Answer: Option B

Explanation:

• A. 525
• B. 125
• C. 625
• D. 556

Answer: Option C

Explanation:

• A. $\ln x$
• B. $\ln 2x$
• C. $x^2$
• D. $2x$

Answer: Option C

Explanation:

• A. $3$
• B. $4$
• C. $5$
• D. $6$

Answer: Option A

Explanation:

• A. $\left(1,2\right)$
• B. $\left(0,2\right)$
• C. $\left(1,3\right)$
• D. $\left(0,1\right)$

Answer: Option D

Explanation:

• A. 2
• B. 3
• C. 4
• D. 1

Answer: Option B

Explanation: