• A. 6
• B. 7
• C. -6
• D. -7

Answer: Option A

Explanation:

• A. 1
• B. 3
• C. 12
• D. 15

Answer: Option D

Explanation:

• A. 1
• B. 3
• C. 12
• D. 15

Answer: Option D

Explanation:

• A. (2,5)
• B. (4,3)
• C. (2,6)
• D. (6,2)

Answer: Option D

Explanation:

• A. 3xyz
• B. -3xyz
• C. -xyz
• D. xyz

Answer: Option D

Explanation:

• A. $a^2+b^2$
• B. $a^2-b^2$
• C. $\frac{{\left(a+b\right)}^2}{2}-\frac{{\left(a-b\right)}^2}{2}$
• D. ${\left(a+b\right)}^2+{\left(a-b\right)}^2$

Answer: Option A

Explanation:

• A. $a^2+b^2$
• B. $a^2-b^2$
• C. $\frac{{\left(a+b\right)}^2}{2}-\frac{{\left(a-b\right)}^2}{2}$
• D. ${\left(a+b\right)}^2+{\left(a-b\right)}^2$

Answer: Option A

Explanation:

• 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. $-\infty <x<\frac{5}{3}$
• 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: