• A. 1
• B. -1
• C. a-1
• D. a+1

Answer: Option C

Explanation:

• A. 2
• B. -2
• C. -8
• D. -4

Answer: Option B

Explanation:

• A. 1
• B. 3
• C. 2
• D. 4

Answer: Option B

Explanation:

• A. $a^2+\sqrt{3}$
• B. $a+\sqrt{3}$
• C. $a^3-\sqrt{3}$
• D. $a-\sqrt{3}$

Answer: Option B

Explanation:

• A. $100$
• B. $10$
• C. $\frac{1}{10}$
• D. $\frac{1}{100}$

Answer: Option D

Explanation:

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

Answer: Option A

Explanation:

• A. $0$
• B. $1$
• C. $-5$
• D. $5$

Answer: Option A

Explanation:

• A. $34$
• B. $9$
• C. $45$
• D. $54$

Answer: Option B

Explanation:

• A. $-\frac{5}{4}$
• B. $-\frac{4}{5}$
• C. $\frac{4}{5}$
• D. $\frac{5}{4}$

Answer: Option B

Explanation:

• A. $a-b$
• B. $a+b$
• C. $12\left(a^2-b^2\right)$
• D. $2$

Answer: Option D

Explanation:

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

Answer: Option A

Explanation:

• A. $36$
• B. $27$
• C. $18$
• D. $9$

Answer: Option C

Explanation:

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

Answer: Option A

Explanation:

• A. $0$
• B. $p+q$
• C. $q+r$
• D. $1$

Answer: Option D

Explanation:

• A. $-1$
• B. $-2$
• C. $-3$
• D. $-4$

Answer: Option C

Explanation: