• A. 8
• B. 3
• C. 5
• D. 4

Answer: Option D

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. $a{m}^{m+n}$
• B. $a^{m+n}$
• C. $a^m$
• D. $a^{m-n}$

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. $\left(1,2\right)$
• 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:

• A. ${16}^x$
• B. $4^{4x}$
• C. $2^{2x+2}$
• D. $2^{8x}$

Answer: Option C

Explanation:

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

Answer: Option C

Explanation:

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

Answer: Option B

Explanation:

• A. 0.01
• B. 0.001
• C. 0.02
• D. 0.002

Answer: Option A

Explanation: