• A. 2
• B. 3
• C. 6
• D. 4

Answer: Option D

Explanation:

• A. $5 \surd 3$
• B. $4 \surd 3$
• C. $2 \surd 5$
• D. 52

Answer: Option D

Explanation:

• A. $\sqrt[5]{5^2}$
• B. $\sqrt[6]{5^6}$
• C. $\sqrt[5]{5^6}$
• D. $5^6$

Answer: Option C

Explanation:

• B. 2x
• C. 1
• D. xyz

Answer: Option D

Explanation:

• A. (8,4)
• B. ( 6,3)
• C. (2,1)
• D. (4,2)

Answer: Option D

Explanation:

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

Answer: Option C

Explanation:

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

Answer: Option C

Explanation:

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

Answer: Option A

Explanation:

• 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. $\frac{23}{72}$
• B. $\frac{72}{53}$
• C. $\frac{53}{72}$
• D. $\frac{53}{72}$

Answer: Option C

Explanation:

• A. $xy=\frac{{\left(x+y\right)}^2}{2}-\frac{{\left(x-y\right)}^2}{2}$
• B. $xy=\frac{{\left(x-y\right)}^2}{2}-\frac{{\left(x+y\right)}^2}{2}$
• C. $xy={\left(x+y\right)}^2-{\left(x-y\right)}^2$
• D. $xy=\left(\frac{{\left(x+y\right)}^2}{2}\right)-\left(\frac{{\left(x-y\right)}^2}{2}\right)$

Answer: Option D

Explanation:

• A. 30
• B. 32
• C. 34
• D. 36

Answer: Option C

Explanation:

• A. 6
• B. 7
• C. 9
• D. 10

Answer: Option B

Explanation:

• A. x(x+a)(y+3a)
• B. (x+7a)(y+3a)
• C. (x+5a)(y+3a)
• D. (x+2a)(y+3a)

Answer: Option D

Explanation:

• A. $\frac{3}{2}$
• B. $\frac{4}{9}$
• C. $\frac{9}{4}$
• D. $\frac{2}{3}$

Answer: Option C

Explanation: