• A. $\sqrt[3]{243}$
• B. $\sqrt[3]{343}$
• C. $\sqrt[3]{392}$
• D. $\sqrt[3]{676}$

Answer: Option B

Explanation:

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

Answer: Option D

Explanation:

• A. $\frac{৩}{৭}$
• B. $\frac{৩}{১৩}$
• C. $\frac{৩}{৫}$
• D. $\frac{৩}{১৭}$

Answer: Option C

Explanation:

• A. $\sqrt[3]{8}$
• B. $\sqrt{12}$
• C. $\sqrt{18}$
• D. $\sqrt{27}$

Answer: Option A

Explanation:

• A. $\pm 20$
• B. $\pm 5$
• C. $\pm 10$
• D. $\pm 15$

Answer: Option C

Explanation:

• A. $\frac{M+N}{2}$
• B. $\frac{PM+QN}{2}$
• C. $\frac{PM+QN}{P+Q}$
• D. $\frac{PM+QN}{M+N}$

Answer: Option C

Explanation:

• A. $\frac{\sqrt{27}}{3}$
• B. $\frac{\sqrt[3]{125}}{5}$
• C. $\frac{\sqrt[4]{81}}{4}$
• D. $\frac{\sqrt[5]{32}}{8}$

Answer: Option A

Explanation:

• A. $৪৫\frac{৫}{৬}\%$
• B. $৪০\%$
• C. $৪২\%$
• D. $৪৮\%$

Answer: Option A

Explanation:

• A. $০.৩$
• B. $\sqrt{০.৩}$
• C. $\frac{১}{৩}$
• D. $\frac{২}{৫}$

Answer: Option B

Explanation:

• A. πa
• B. $\pi a^2$
• C. 2πa
• D. $2\pi a^2$

Answer: Option A

Explanation:

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

Answer: Option B

Explanation:

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

Answer: Option A

Explanation:

• A. $\frac{১}{২}$ (ভূমি × উচ্চতা)
• B. দৈর্ঘ × প্রস্থ
• C. ২(দৈর্ঘ × প্রস্থ)
• D. ভূমি × উচ্চতা

Answer: Option D

Explanation:

• A. $\frac{৩}{৪}$
• B. $\frac{২}{৫}$
• C. $\frac{১}{৬}$
• D. $\frac{৫}{৮}$

Answer: Option A

Explanation:

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

Answer: Option C

Explanation: