• A. 308.30
• B. 36
• C. 256
• D. 144

Answer: Option A

Explanation:

• A. $-৮$
• B. $-৪\sqrt{৩}$
• C. $৪\sqrt{৩}$
• D. $৮$

Answer: Option D

Explanation:

• A. $2$
• B. $3$
• C. $4$
• D. $5$

Answer: Option B

Explanation:

• A. $8$
• B. $2$
• C. $15$
• D. $10$

Answer: Option C

Explanation:

• A. 2
• B. 3
• C. 4
• D. 7

Answer: Option B

Explanation:

• A. $\left(2y^2+6y+2\right)\left(y^2-3y+1\right)$
• B. $\left(2y^2-7y+1\right)\left(2y^2+7y+1\right)$
• C. $\left(2y^2+3y+1\right)\left(y^2-3y+1\right)$
• D. $2\left(y^2+3y+1\right)\left(y^2-3y+1\right)$

Answer: Option C

Explanation:

• A. -1
• B. -2
• C. -3
• D. -4

Answer: Option D

Explanation:

• A. x-2
• B. 2x-1
• C. $x^2-1$
• D. $x^{2+1}$

Answer: Option C

Explanation:

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

Answer: Option B

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. $\sqrt{21}N$
• B. $\sqrt{19}N$
• C. $\sqrt{13}N$
• D. $\sqrt{23}N$

Answer: Option C

Explanation:

• A. (2x-3)(x+1)
• B. (2x-3)(x-1)
• C. (2x+3)(x+1)
• D. (2x+3)(x-1)

Answer: Option A

Explanation:

• A. -5
• C. 2
• D. 4

Answer: Option B

Explanation:

• A. $(2x+7) (x-1)$
• B. $(x-1) (2x+7)$
• C. $(2x-1) (x+7)$
• D. $(2x-7) (x+1)$

Answer: Option D

Explanation: