• A. 8
• B. 12
• C. 16
• D. 18

Answer: Option A

Explanation:

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

Answer: Option B

Explanation:

• A. $3$
• B. $1$
• C. $0$
• D. $-1$

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. {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:

• A. $\left\{1,2,3,4\right\}$
• B. $\left\{2,3,4\right\}$
• C. $\left\{2,3,4,5\right\}$
• D. $\varnothing$

Answer: Option D

Explanation:

• A. 8
• B. 7
• C. 6
• D. 3

Answer: Option A

Explanation:

• A. 12
• B. 9
• C. 7
• D. 6

Answer: Option A

Explanation:

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

Answer: Option C

Explanation:

• A. $\left[\begin{array}{ccc}5& 5& 1\\ 4& 2& 2\\ 1& 6& 6\end{array}\right]$
• B. $\left[\begin{array}{ccc}1& 5& 1\\ 4& -2& 2\\ 1& 6& 2\end{array}\right]$
• C. $\left[\begin{array}{ccc}1& 3& -1\\ 4& 0& 2\\ 1& 6& 4\end{array}\right]$
• D. $\left[\begin{array}{ccc}1& 3& -1\\ 2& -2& 0\\ -1& 4& 2\end{array}\right]$

Answer: Option B

Explanation:

• A. $5$
• B. $8$
• C. $10$
• D. $11$

Answer: Option D

Explanation:

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

Answer: Option D

Explanation:

• A. 3
• B. 6
• C. 9
• D. 27

Answer: Option D

Explanation: