• A. $\frac{2x^2+y^2}{xy}$
• B. $\frac{x^2-y^2}{xy}$
• C. $\frac{2y^2-x^2}{xy}$
• D. $\frac{x^2-2y^2}{xy}$

Answer: Option C

Explanation:

• A. $6.0$
• B. $7.0$
• C. $\frac{21}{2}$
• D. $14.0$

Answer: Option D

Explanation:

• A. $105°$
• B. $110°$
• C. $90°$
• D. $100°$

Answer: Option B

Explanation:

• A. $-5$
• B. $0$
• C. $2$
• D. $4$

Answer: Option B

Explanation:

• A. $\sqrt{3}$
• B. $0.0$
• C. $1.0$
• D. $3.0$

Answer: Option B

Explanation:

• A. ০.০০০০২৭
• B. ০.০২৭
• C. ০.০০০২৭
• D. ০.০০০০২৭

Answer: Option D

Explanation:

• A. $45\sqrt{5}$
• B. $47\sqrt{6}$
• C. $46\sqrt{5}$
• D. $43\sqrt{5}$

Answer: Option C

Explanation:

• A. $\left(2x^2+2x+1\right)\left(2x^2-2x-1\right)$
• B. $\left(2x^2+2x-1\right)\left(2x^2-2x+1\right)$
• C. $\left(2x^2+2x+1\right)\left(2x^2-2x+1\right)$
• D. $\left(2x^2+2x-1\right)\left(2x^2-2x-1\right)$

Answer: Option C

Explanation:

• A. $\log 8$
• B. $\log 27$
• C. $\log 5$
• D. $\log 10$

Answer: Option B

Explanation:

• B. -2
• C. -3
• D. -1

Answer: Option A

Explanation:

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

Answer: Option B

Explanation:

• A. -3
• B. -6
• C. 6
• D. 3

Answer: Option A

Explanation:

• A. $8$
• B. $6$
• C. $1$
• D. $4$

Answer: Option D

Explanation:

• A. 2
• B. 1
• C. 3
• D. 4

Answer: Option C

Explanation:

• A. $4$
• B. $5$
• C. $6$
• D. $7$

Answer: Option B

Explanation: