• 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. -10
• B. -4
• D. 4

Answer: Option B

Explanation:

• A. $a^{2}bc$
• B. $2a^{2}bc$
• C. $2a^2{b}^2{c}^2$
• D. কোনোটিই নয়

Answer: Option D

Explanation:

• A. 1
• B. 3
• C. 3a
• D. $-3a^2$

Answer: Option B

Explanation:

• A. $1$
• B. $x$
• C. $\left(1-x\right)$
• D. $\left(1+x\right)$

Answer: Option D

Explanation:

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

Answer: Option A

Explanation:

• A. বৃত্ত
• B. পরাবৃত্ত
• C. মূল বিন্দুগামী সরলরেখা
• D. বক্ররেখা

Answer: Option C

Explanation:

• A. $\left(3x+5\right)\left(4x-2\right)$
• B. $\left(3x-5\right)\left(4x+2\right)$
• C. $\left(4x+5\right)\left(3x-2\right)$
• D. $\left(4x-5\right)\left(3x+2\right)$

Answer: Option C

Explanation:

• A. 1
• B. -2
• C. -1
• D. 2

Answer: Option D

Explanation:

• A. x+1
• B. 1
• C. -1
• D. x-1

Answer: Option C

Explanation:

• A. (1+a+b)(1-a+b)
• B. (1+a+b)(1-a-b)
• C. (1+a+b)(1+a-b)
• D. (1+a-b)(1-a+b)

Answer: Option D

Explanation:

• A. (x-3)(2x-5)
• B. $\left(x+3\right)\left(2x+5\right)$
• C. $\left(x+3\right)\left(2x-5\right)$
• D. $\left(x-3\right)\left(2x+5\right)$

Answer: Option B

Explanation:

• A. x = 5, y = 7
• B. x = 2, y = 5
• C. x = 3, y = 7
• D. x = 7, y = 5

Answer: Option D

Explanation:

• A. (3x+1)
• B. (3x-4)
• C. (3x+4)
• D. কোনোটিই নয়

Answer: Option B

Explanation:

• A. 5
• B. 10
• C. 15
• D. 20

Answer: Option B

Explanation: