• A. 1
• B. 2
• C. -1
• D. -2

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. ০.০০১
• B. ০.০১
• C. ০.১
• D. ১

Answer: Option C

Explanation:

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

Answer: Option C

Explanation:

• A. উপসেট
• B. অসীম সেট
• C. ফাঁকা সেট
• D. শক্তিসেট

Answer: Option C

Explanation:

• A. 2/3
• B. 1/3
• C. 3/2
• D. 1/2

Answer: Option C

Explanation:

• A. abc
• B. $a^2{b}^2{c}^2$
• C. ১
• D. $a^3{b}^3{c}^3$

Answer: Option B

Explanation:

• A. 1/4
• B. 3/5
• C. 2/5
• D. 4/5

Answer: Option D

Explanation:

• A. ${২}^n-১$
• B. ${২}^{n-১}-২$
• C. $১-{২}^n$
• D. $\frac{১}{{২}^n}$

Answer: Option A

Explanation:

• A. 2
• B. -2
• C. 3
• D. -3

Answer: Option B

Explanation:

• B. 2
• C. 10
• D. 5

Answer: Option A

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. ১.৯
• B. ০.৯
• C. ০.৯৯
• D. ১.০১

Answer: Option C

Explanation: