• A. $0.00001$
• B. $0.0001$
• C. $0.001$
• D. $0.01$

Answer: Option C

Explanation:

• A. $16$
• B. $32$
• C. $48$
• D. $64$

Answer: Option D

Explanation:

• A. $\frac{1}{7}$
• B. $\frac{1}{9}$
• C. $\frac{1}{11}$
• D. $\frac{1}{13}$

Answer: Option D

Explanation:

• A. $27$
• B. $18$
• C. $9$
• D. $6$

Answer: Option A

Explanation:

• A. $\frac{\mathrm{\pi rx}}{180°}$ একক
• B. $\frac{\mathrm{rx}}{180°}$ একক
• C. $rx$ একক
• D. $\frac{\mathrm{\pi x}}{180°}$ একক

Answer: Option A

Explanation:

• A. $60°$
• B. $50°$
• C. $30°$
• D. $45°$

Answer: Option A

Explanation:

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

Answer: Option D

Explanation:

• A. $a=0$
• B. $a\ne 0$
• C. $a>0$
• D. $a<0$

Answer: Option B

Explanation:

• A. $\frac{1}{3}$
• B. $3$
• C. $4$
• D. $8$

Answer: Option A

Explanation:

• A. $36$
• B. $63$
• C. $\frac{36}{8}$
• D. $\frac{63}{8}$

Answer: Option D

Explanation:

• A. ৭টি
• B. ৮টি
• C. ৯টি
• D. কোনোটিই নয়

Answer: Option D

Explanation:

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

Answer: Option A

Explanation:

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

Answer: Option D

Explanation:

• A. $\sqrt{3}$
• B. $4\sqrt{3}$
• C. $8\sqrt{3}$
• D. $16\sqrt{3}$

Answer: Option C

Explanation:

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

Answer: Option D

Explanation: