• A. $a$
• B. $\frac{a}{a+1}$
• C. $\frac{a}{1-a}$
• D. $\frac{a}{a-1}$

Answer: Option D

Explanation:

• A. $0$
• B. $\frac{১}{২}\frac{১}{২}$
• C. $-১$
• D. $১$

Answer: Option D

Explanation:

• A. ৬
• B. ৩
• C. ৮
• D. ৫

Answer: Option A

Explanation:

• A. 9m
• B. 10m
• C. 11m
• D. 12m

Answer: Option A

Explanation:

• A. ০.০০৮
• B. ০.০০০৮
• C. ০.০০০০৮
• D. ০.০৮

Answer: Option B

Explanation:

• A. $1/2$
• B. $-1/2$
• C. $\sqrt{3}/2$
• D. $1/\sqrt{2}$

Answer: Option B

Explanation:

• A. $A{c}^2=3a^2$
• B. $AC=5a$
• C. $A{C}^2=5a^2$
• D. $A{C}^2=7a^2$

Answer: Option B

Explanation:

• A. 5
• B. 01
• C. 11
• D. 7

Answer: Option D

Explanation:

• A. 3
• B. 0
• C. -3
• D. -3

Answer: Option C

Explanation:

• A. a < 0
• B. b < 0
• C. ab > 0
• D. ab < 0
• E. None

Answer: Option B

Explanation:

• A. $-1$
• B. $\frac{1}{3}$
• C. $\frac{4}{3}$
• D. $2$

Answer: Option B

Explanation:

• A. ৫৪
• B. ৪৫
• C. ৫১
• D. ২৫

Answer: Option B

Explanation:

• A. $a{x}^2+bx+c=0$
• B. $y^2=ax$
• C. $x^2+y^2=16$
• D. $y^2=2x+7$

Answer: Option C

Explanation:

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

Answer: Option A

Explanation:

• A. $\frac{১}{৪}$
• B. $\frac{১}{২}$
• C. $\frac{১}{৮}$
• D. $\frac{১}{১৬}$

Answer: Option B

Explanation: