• B. 2
• C. 10
• D. 5

Answer: Option A

Explanation:

• A. 2
• B. -2
• C. 3
• D. -3

Answer: Option B

Explanation:

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

Answer: Option A

Explanation:

• A. 1/4
• B. 3/5
• C. 2/5
• D. 4/5

Answer: Option D

Explanation:

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

Answer: Option B

Explanation:

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

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. ০.০০১
• B. ০.০১
• C. ০.১
• D. ১

Answer: Option C

Explanation:

• A. ৩০
• B. ২৪
• C. ৩৬
• D. ৪২

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. 1
• B. 2
• C. -1
• D. -2

Answer: Option B

Explanation:

• A. x + y
• B. x − y
• D. 1

Answer: Option D

Explanation:

• A. a>0
• B. a ≠ 1
• C. a ≠ 0 , a > 1
• D. a > 0 , a ≠ 1

Answer: Option D

Explanation:

• A. {3,2}
• B. {-3,2}
• C. ∅
• D. কোনোটিই নয়

Answer: Option C

Explanation:

• A. 3
• B. -3
• C. 2
• D. -2

Answer: Option B

Explanation: