• A. $1/3$
• B. $7/3$
• C. $2$
• D. $3$

Answer: Option A

Explanation:

• A. $5x$
• B. $0$
• C. $5$
• D. $1$

Answer: Option D

Explanation:

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

Answer: Option C

Explanation:

• A. $1$
• B. $2$
• C. $3$
• D. $4$

Answer: Option C

Explanation:

• A. $\sqrt{5}$
• B. $\frac{2}{3}$
• C. $\frac{3}{2}$
• D. $5$

Answer: Option C

Explanation:

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

Answer: Option C

Explanation:

• A. ৩
• B. ৪
• C. ৫
• D. ৬

Answer: Option C

Explanation:

• A. $\frac{5}{2}$
• B. $\frac{1}{2}$
• C. $\frac{125}{2}$
• D. $\frac{25}{\sqrt{5}}$

Answer: Option A

Explanation:

• A. 525
• B. 125
• C. 625
• D. 556

Answer: Option C

Explanation:

• A. $9^{3x}$
• B. $3^{2x+1}$
• C. ${27}^x$
• D. $3x^3$

Answer: Option B

Explanation:

• A. ১০
• B. ১২
• C. ১১
• D. ৯

Answer: Option C

Explanation:

• A. -1
• B. 1
• D. 1/ 2

Answer: Option B

Explanation:

• A. 120
• B. 125
• C. 225
• D. 375

Answer: Option B

Explanation:

• A. 30
• B. 28
• C. 29
• D. 27

Answer: Option A

Explanation:

• A. $y=\log x^a$
• B. $x=\log x^y$
• C. $a=\log x^y$
• D. $x=\log y^a$

Answer: Option B

Explanation: