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

Answer: Option B

Explanation:

• A. $\sqrt{3}$
• B. $\frac{9\sqrt{3}}{4}$
• C. $\frac{3\sqrt{3}}{4}$
• D. $2\sqrt{3}$

Answer: Option A

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. 2x
• B. 4x
• C. $x^2$
• D. $2x^2$

Answer: Option C

Explanation:

• A. $2x^2+2x+1$
• B. $2x^2+4x+1$
• C. $4x^2+2x+1$
• D. $4x^2+4x+1$

Answer: Option D

Explanation:

• A. ৬ দিন
• B. ৭ দিন
• C. ৮ দিন
• D. ৯ দিন

Answer: Option A

Explanation:

• A. $\frac{১}{৪}$
• B. $\frac{১}{২}$
• C. $\frac{১}{৩}$
• D. $\frac{১}{৫}$

Answer: Option A

Explanation:

• A. $\frac{১}{৪}$
• B. $\frac{১}{২}$
• C. $\frac{১}{৩}$
• D. $\frac{১}{৫}$

Answer: Option A

Explanation:

• A. $2\sqrt{5}$
• B. $10$
• C. $5\left(1+\sqrt{2}\right)$
• D. $5+2\sqrt{5}$

Answer: Option C

Explanation:

• A. $3$
• B. $3\sqrt{2}$
• C. $6\sqrt{2}$
• D. $8\sqrt{2}$

Answer: Option C

Explanation:

• A. $৩০\frac{১}{৩}\%$
• B. $৩১\frac{১}{৩}\%$
• C. $৩২\frac{১}{৩}\%$
• D. $৩৩\frac{১}{৩}\%$

Answer: Option D

Explanation:

• A. $\frac{5}{7}$
• B. $\frac{5}{6}$
• C. $\frac{3}{5}$
• D. $\frac{7}{9}$

Answer: Option C

Explanation:

• A. $\sqrt{৩}$
• B. $২\sqrt{৩}$
• C. $২\sqrt{৩}$
• D. $৪\sqrt{৩}$

Answer: Option C

Explanation: