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

Answer: Option C

Explanation:

• A. $5x$
• B. $0$
• C. $5$
• D. $1$

Answer: Option D

Explanation:

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

Answer: Option A

Explanation:

• A. $45\log 2$
• B. $55\log 2$
• C. $65\log 2$
• D. $75\log 2$

Answer: Option B

Explanation:

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

Answer: Option A

Explanation:

• B. 1
• C. 2
• D. 3

Answer: Option C

Explanation:

• A. $9$
• B. $8$
• C. $6$
• D. $4$

Answer: Option B

Explanation:

• A. ১৩
• B. ১৬
• C. ১৯
• D. ২১

Answer: Option A

Explanation:

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

Answer: Option B

Explanation:

• A. $\log a^m-\log a^n$
• B. $\log a^m+\log a^n$
• C. $\log a^m\times \log a^n$
• D. $কোনোটিই নয়$

Answer: Option A

Explanation:

• A. $x>0gএবংx=not1$
• B. $x\ge 0gএবংx=not1$
• C. $x>0gঅথবাx=not1$
• D. $x\ge 0gঅথবাx=not1$

Answer: Option C

Explanation:

• A. $3$
• B. $4$
• C. $5$
• D. $8$

Answer: Option B

Explanation:

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

Answer: Option C

Explanation:

• A. $4$
• B. $2$
• C. $-2$
• D. $-4$

Answer: Option A

Explanation:

• A. $\frac{1}{25}$
• B. $-5$
• C. $\frac{1}{5}$
• D. $-\frac{1}{5}$

Answer: Option B

Explanation: