• A. $18\sqrt{2}$
• B. $24\sqrt{3}$
• C. $8\sqrt{2}$
• D. $16\sqrt{2}$

Answer: Option B

Explanation:

• A. $8\sqrt{2}$
• B. $16\sqrt{1}$
• C. $18\sqrt{3}$
• D. $24\sqrt{3}$

Answer: Option D

Explanation:

• A. 5
• B. 6
• C. 3
• D. 4

Answer: Option B

Explanation:

• A. $\sqrt{2}$
• B. $2\sqrt{2}$
• C. $\sqrt[3]{2}$
• D. $2$

Answer: Option D

Explanation:

• A. $\left[\begin{array}{cc}44& -1\\ -31& 1\end{array}\right]$
• B. $\frac{1}{13}\left[\begin{array}{cc}44& -1\\ -31& 1\end{array}\right]$
• C. $\frac{1}{13}\left[\begin{array}{cc}-44& 1\\ 31& -1\end{array}\right]$
• D. $\frac{1}{13}\left[\begin{array}{cc}-31& 1\\ 44& -1\end{array}\right]$

Answer: Option B

Explanation:

• A. $\left[\begin{array}{cc}1& 0\\ 0& 0\end{array}\right]$
• B. $\left[\begin{array}{cc}0& 0\\ 0& 0\end{array}\right]$
• C. $\left[\begin{array}{cc}1& 0\\ 0& 1\end{array}\right]$
• D. $\left[\begin{array}{cc}i& 0\\ 0& i\end{array}\right]$

Answer: Option B

Explanation:

• A. 30
• B. 10
• C. 15
• D. 20

Answer: Option B

Explanation:

• B. 1
• C. 2
• D. 3

Answer: Option C

Explanation:

• A. AB Not = BA
• B. AB = BA
• C. AB =-BA
• D. BA=B

Answer: Option A

Explanation:

• A. {1}
• B. {2}
• C. {1,2}
• D. { }

Answer: Option D

Explanation:

• A. $\left(0,0\right)$
• B. $\left(1,2\right)$
• C. $\left(2,1\right)$
• D. $\left(1,1\right)$

Answer: Option D

Explanation:

• A. {2,2,3}
• B. {2,2,2}
• C. {2,3,4}
• D. {3}

Answer: Option C

Explanation:

• A. ৪
• B. ৮
• C. ১৫
• D. ১৮

Answer: Option C

Explanation:

• A. 20:35:42
• B. 24:30:35
• C. 35:30:24
• D. 42:35:20

Answer: Option B

Explanation:

• A. $a^4$
• B. $a^5$
• C. 1
• D. a

Answer: Option A

Explanation: