• A. 53
• B. 63
• C. 36
• D. 35

Answer: Option C

Explanation:

• A. $\frac{২}{১১}$
• B. $\frac{১}{৫}$
• C. $\frac{১}{১১}$
• D. $\frac{১}{১০}$

Answer: Option D

Explanation:

• A. $\pi \sqrt{20}$
• B. $2\pi \sqrt{10}$
• C. $5\mathrm{\pi }$
• D. কোনটিই নয়

Answer: Option B

Explanation:

• A. $\frac{\sqrt{3}}{2}কএকক$
• B. $\frac{\sqrt{3}}{4}{ক}^{২}একক$
• C. $\frac{\sqrt{5}}{2}কএকক$
• D. কোনটিই নয়

Answer: Option A

Explanation:

• A. $2{\mathrm{\pi a}}^2$
• B. ${\mathrm{\pi a}}^2$
• C. $\frac{4}{3}{\mathrm{a}}^3$
• D. $2\mathrm{\pi ah}$

Answer: Option B

Explanation:

• A. $\frac{10}{x}$
• B. $\frac{100}{x}$
• C. $\frac{1000}{x}$
• D. $\frac{x}{100}$

Answer: Option C

Explanation:

• A. $\frac{১}{২}>\frac{২}{৩}>\frac{৪}{৭}$
• B. $\frac{১}{২}>\frac{৪}{৭}>\frac{২}{৩}$
• C. $\frac{২}{৩}>\frac{৪}{৭}>\frac{১}{২}$
• D. $\frac{২}{৩}>\frac{১}{২}>\frac{৪}{৭}$

Answer: Option B

Explanation:

• A. 2x
• B. 4x
• C. $x^2$
• D. $2x^2$

Answer: Option C

Explanation:

• B. 4
• C. 16
• D. 64

Answer: Option D

Explanation:

• A. ৫০ বছর
• B. ৪০ বছর
• C. ৩০ বছর
• D. ৬০ বছর

Answer: Option D

Explanation: