• A. 8
• B. 12
• C. 16
• D. 18

Answer: Option A

Explanation:

• A. 12
• B. 16
• C. 8
• D. 4

Answer: Option C

Explanation:

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

Answer: Option B

Explanation:

• A. AP = PB
• B. AB > AP
• C. AB > AP + PB
• D. AP > PB

Answer: Option B

Explanation:

• A. $40$
• B. $36$
• C. $32$
• D. $30$

Answer: Option B

Explanation:

• A. 32
• B. 36
• C. 34
• D. 30

Answer: Option C

Explanation:

• A. $6$
• B. $7$
• C. $9$
• D. $10$

Answer: Option B

Explanation:

• A. $3$
• B. $1$
• C. $0$
• D. $-1$

Answer: Option C

Explanation:

• A. $\frac{a+b}{a^2}$
• B. $\frac{a}{b}$
• C. $1$
• D. $\frac{a-b}{a^2}$

Answer: Option C

Explanation:

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

Answer: Option C

Explanation:

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

Answer: Option A

Explanation:

• A. $b$
• B. $a$
• C. $a-b$
• D. $a^2-b^2$

Answer: Option A

Explanation:

• A. {3,5,8}
• B. {4,57}
• C. {3,4,5}
• D. {3,5,7}

Answer: Option D

Explanation:

• A. $\left\{6,1\right\}$
• B. $\left\{-2,7\right\}$
• C. $\left\{2,7\right\}$
• D. $\left\{7\right\}$

Answer: Option D

Explanation:

• A. $\left\{3,5,8\right\}$
• B. $\left\{4,57\right\}$
• C. $\left\{3,4,5\right\}$
• D. $\left\{3,5,7\right\}$

Answer: Option D

Explanation: