• A. $a$
• B. $a$
• C. $a+b$
• D. $\frac{1}{2}\left(a+b\right)$

Answer: Option D

Explanation:

• A. $1$
• B. $2$
• C. $3$
• D. $0$

Answer: Option A

Explanation:

• A. (0,0)
• B. (4,-3)
• C. (-4,3)
• D. (10,10)

Answer: Option B

Explanation:

• A. $\left(0,0\right)$
• B. $\left(4,-3\right)$
• C. $\left(-4,3\right)$
• D. $\left(10,10\right)$

Answer: Option B

Explanation:

• A. (0,0)
• B. (4, -3)
• C. (-4, 3)
• D. (4, 3)

Answer: Option B

Explanation:

• A. 10
• B. 100
• C. 1000
• D. 10000

Answer: Option A

Explanation:

• A. 100
• B. 10
• C. 50
• D. 80

Answer: Option B

Explanation:

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

Answer: Option D

Explanation:

• A. 2
• B. -2
• C. -8
• D. -4

Answer: Option B

Explanation:

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

Answer: Option B

Explanation:

• A. -2
• B. 2
• C. -3
• D. 5

Answer: Option C

Explanation:

• A. $\left\{\varnothing \right\}$
• B. $\left\{1\right\}$
• C. $\left\{-1\right\}$
• D. $\left\{2\right\}$

Answer: Option B

Explanation:

• A. {1}
• B. {0}
• C. {2}
• D. {4}

Answer: Option A

Explanation:

• A. { ∅ }
• B. {1}
• C. {-1}
• D. {2}

Answer: Option A

Explanation:

• A. $196$
• B. $194$
• C. $192$
• D. $198$

Answer: Option B

Explanation: