• A. $4$
• B. $6$
• C. $9$
• D. $8$

Answer: Option D

Explanation:

• A. $2$
• B. $4$
• C. $6$
• D. $8$

Answer: Option C

Explanation:

• A. $\frac{1}{3}$
• B. $2$
• C. $\frac{1}{2}$
• D. $4$

Answer: Option C

Explanation:

• A. $0$
• B. $a$
• C. $1$
• D. অনির্নেয়

Answer: Option C

Explanation:

• A. $1$
• B. $0$
• C. অনির্ণেয়
• D. $2$

Answer: Option B

Explanation:

• A. $\frac{n\left(n+1\right)}{2}$
• B. $\frac{n\left(n+1\right)\left(2n+1\right)}{6}$
• C. ${\left\{\frac{n\left(n+1\right)}{2}\right\}}^2$
• D. একটিও নয়

Answer: Option C

Explanation:

• A. 180
• B. 184
• C. 188
• D. 190

Answer: Option D

Explanation:

• A. $5/6$
• B. $1/3$
• C. $1/6$
• D. $1$

Answer: Option A

Explanation:

• A. $m{a}^n$
• B. $n{a}^m$
• C. $\sqrt[m]{a^n}$
• D. $\sqrt[n]{a^m}$

Answer: Option D

Explanation:

• A. $\frac{1}{2}$
• B. $\frac{1}{3}$
• C. $5$
• D. $\frac{1}{5}$

Answer: Option B

Explanation:

• A. $9$
• B. $27$
• C. $18$
• D. $81$

Answer: Option B

Explanation:

• A. $3\sqrt{2}$
• B. $\sqrt{3}$
• C. $\sqrt{3}$
• D. $\sqrt{32}$

Answer: Option A

Explanation:

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

Answer: Option D

Explanation:

• A. $4$
• B. $5$
• C. $25$
• D. $50$

Answer: Option A

Explanation:

• A. $1$
• B. $a$
• C. ${\log }_{a}1$
• D. $0$

Answer: Option D

Explanation: