• A. 18
• B. 20
• C. -18
• D. -20

Answer: Option C

Explanation:

• A. 3
• B. 4
• C. 6
• D. 8

Answer: Option C

Explanation:

• A. $a(a+b)$
• B. $ab(a+b)$
• C. $a+b$
• D. $a{(a+b)}^2$

Answer: Option A

Explanation:

• A. $\frac{ ১১}{১৪}$
• B. $\frac{ ৫}{৬}$
• C. $\frac{১২}{১৫}$
• D. $\frac{১৭}{২১}$

Answer: Option A

Explanation:

• A. 4
• B. 3
• C. 2
• D. 1

Answer: Option D

Explanation:

• A. -3
• B. 3
• C. -1/3
• D. 1/3

Answer: Option B

Explanation:

• A. 3/10
• B. 1/3
• C. 10
• D. 10/3

Answer: Option C

Explanation:

• A. x ∈ ( 1 , 9 )
• B. x ∈ ( 1 , 9 )
• C. x ∈ ( 1 , 9 )
• D. x ∈ ( 1 , 9 )

Answer: Option D

Explanation:

• A. $x^2+4x-7=0$
• B. $x^2+2x+2=0$
• C. $x^2+4x+7=0$
• D. $x^2-4x-7=0$

Answer: Option C

Explanation:

• A. $\frac{10}{33}$
• B. $\frac{1}{3}$
• C. $\frac{1}{33}$
• D. $\frac{11}{100}$

Answer: Option A

Explanation:

• A. $\sqrt{২}$
• B. $\sqrt{৩}$
• C. $২$
• D. $৩$

Answer: Option B

Explanation:

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

Answer: Option D

Explanation:

• A. $- 3 < x < 3$
• B. $- \frac{5}{3} < x < \frac{5}{3}$
• C. $- 3 < x < \frac{5}{3}$
• D. $\frac{5}{3}< x < \frac{5}{3}$

Answer: Option C

Explanation:

• A. ৩
• B. ৬
• C. ৯
• D. ১২

Answer: Option C

Explanation:

• A. ১০৫০
• B. ৯০০
• C. ৯৬০
• D. ১০০০

Answer: Option D

Explanation: