• A. $3$
• B. $4$
• C. $5$
• D. $6$

Answer: Option D

Explanation:

• A. $\frac{1}{2}\left(x-4\right)\left(x+2\right)$
• B. $\frac{1}{2}\left(x+4\right)\left(x-2\right)$
• C. $\frac{1}{2}\left(x+4\right)\left(x+2\right)$
• D. $\frac{1}{2}\left(x-4\right)\left(x-2\right)$

Answer: Option D

Explanation:

• A. $\left(-\alpha ,1\right)\cup \left(1,+\alpha \right)$
• B. $\left(-\alpha ,0\right)\cup \left(0,\alpha \right)$
• C. $\left(-\alpha ,\frac{1}{3}\right)\cup \left(\frac{1}{2},\alpha \right)$
• D. $\left(-\alpha ,\frac{1}{2}\right)\cup \left(\frac{1}{2},\alpha \right)$

Answer: Option D

Explanation:

• A. $x=\frac{2}{7}$
• B. $x=\frac{7}{2}$
• C. $x=2$
• D. $x=7$

Answer: Option B

Explanation:

• A. $-\infty <x<\frac{5}{3}$
• B. $\frac{8}{3}<x<\infty$
• C. $-\infty <x<\frac{5}{2} অথবা \frac{8}{3}<x<\infty$
• D. $-\infty <x<\frac{5}{2} এবং \frac{8}{3}<x<\infty$

Answer: Option B

Explanation:

• A. $\frac{3}{25}$
• B. $\frac{25}{144}$
• C. $\frac{25}{144}$
• D. $\frac{11}{19}$

Answer: Option B

Explanation:

• A. $\frac{-10}{\left(2ab-a-b\right)}$
• B. $\frac{-3}{\left(a-b\right)}$
• C. $\frac{-7}{\left(a-b\right)}$
• D. $\frac{-7}{\left(b-a\right)}$

Answer: Option D

Explanation:

• A. 2
• B. 4
• C. 1
• D. 3

Answer: Option D

Explanation:

• A. 2
• B. 1
• C. 3
• D. 4

Answer: Option C

Explanation:

• A. 1
• B. 3
• C. 2
• D. 4

Answer: Option B

Explanation:

• A. $\frac{1}{2}$
• B. $\frac{2}{3}$
• C. $\frac{3}{4}$
• D. $\frac{5}{7}$

Answer: Option A

Explanation:

• A. $\frac{৩}{৮}$
• B. $\frac{২}{৫}$
• C. $\frac{৭}{১০}$
• D. $\frac{১১}{১৮}$

Answer: Option B

Explanation:

• A. $2$
• B. $1$
• C. $0$
• D. $-1$

Answer: Option C

Explanation:

• A. $0$
• B. $1$
• C. $a+b+c$
• D. $-1$

Answer: Option A

Explanation:

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

Answer: Option B

Explanation: