• A. $0$
• B. $1$
• C. $2$
• D. $12$

Answer: Option B

Explanation:

• A. $1$
• B. $2$
• C. $3$
• D. কোনটিই নয়

Answer: Option A

Explanation:

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

Answer: Option C

Explanation:

• A. $3$
• B. $7$
• C. $5$
• D. $9$

Answer: Option B

Explanation:

• A. $32$
• B. $40$
• C. $48$
• D. $80$

Answer: Option B

Explanation: