• A. $১১\frac{১}{৯}\%$
• B. $৮\frac{১}{৩}\%$
• C. $১০\%$
• D. $৮\%$

Answer: Option A

Explanation:

• A. $aa\times a$
• B. $2a$
• C. $a^2$
• D. $a^{a^{a{a}^a}}$

Answer: Option C

Explanation:

• A. $\frac{১}{২২}$
• B. $\frac{১}{৬৪}$
• C. $\frac{১}{৬০}$
• D. $\frac{২}{৬৫}$

Answer: Option A

Explanation:

• A. $২১\sqrt{৩}$
• B. $২৩\sqrt{৩}$
• C. $২৫\sqrt{৩}$
• D. $২৭\sqrt{৩}$

Answer: Option D

Explanation:

• A. $x^2+y^2$
• B. $\sqrt{x^2+y^2}$
• C. ${\left(x+y\right)}^2$
• D. $x+y$

Answer: Option B

Explanation:

• A. $\frac{\overline{)7}}{\overline{)2}}$
• B. $\frac{\overline{)7}}{\overline{)5}}$
• C. $\frac{\overline{)5}}{\overline{)2}}$
• D. $\frac{\overline{)7}}{\left|2\right|5}$

Answer: Option A

Explanation:

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

Answer: Option A

Explanation:

• A. $r^2$
• B. $2r^2$
• C. $\frac{1}{2}{r}^2$
• D. $r^3$

Answer: Option A

Explanation:

• A. 20 °
• B. $22\frac{1}{2}°$
• C. 23 °
• D. $23\frac{1}{2}°$

Answer: Option B

Explanation:

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

Answer: Option B

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: