• A. $2$
• B. $-2$
• C. $-1$
• D. $1$

Answer: Option A

Explanation:

• A. $n$
• B. $2^n$
• C. $2$
• D. $2+n$

Answer: Option C

Explanation:

• A. -1
• B. 0.7
• C. 3
• D. ∞

Answer: Option B

Explanation:

• A. 17/13
• B. - 17/13
• C. 13/17
• D. - 13/17

Answer: Option A

Explanation:

• A. $\frac{\sqrt{3}-1}{2\sqrt{2}}$
• B. $\frac{\sqrt{3}+1}{\sqrt{2}}$
• C. $\frac{\sqrt{3}}{2\sqrt{2}}$
• D. $\frac{\sqrt{3}+1}{2\sqrt{2}}$

Answer: Option D

Explanation:

• A. $\frac{16}{9}$
• B. $-\frac{16}{9}$
• C. $-\frac{9}{16}$
• D. $\frac{9}{16}$

Answer: Option D

Explanation:

• A. $b^2-4ac=0$
• B. $b^2-4ac>0$
• C. $b^2-4ac<0$
• D. $b^2-4ac\#0$

Answer: Option A

Explanation:

• A. $3\times 3$
• B. $2\times 2$
• C. $2\times 3$
• D. $3\times 2$

Answer: Option B

Explanation:

• A. $-14/15$
• B. $-7/3$
• C. $-29$
• D. $-1$

Answer: Option C

Explanation:

• A. $\frac{1}{2}\left(\begin{array}{cc}4& 3\\ -2& -1\end{array}\right)$
• B. $-\frac{1}{2}\left(\begin{array}{cc}1& 3\\ 2& -4\end{array}\right)$
• C. $\frac{1}{2}\left(\begin{array}{cc}4& 2\\ -3& -1\end{array}\right)$
• D. $-\frac{1}{10}\left(\begin{array}{cc}4& 3\\ -2& -1\end{array}\right)$

Answer: Option A

Explanation:

• A. $\left(\begin{array}{ccc}1& 3& 3\\ 6& 8& 6\\ 11& 13& 9\end{array}\right)$
• B. $\left(\begin{array}{ccc}1& 2& 3\\ 4& 7& 9\\ 7& 12& 14\end{array}\right)$
• C. $\left(\begin{array}{cc}1& 3\\ 6& 8\\ 7& 8\end{array}\right)$
• D. অসম্ভব

Answer: Option D

Explanation:

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

Answer: Option A

Explanation:

• A. $\left(\begin{array}{cc}0& 1\\ 0& 1\end{array}\right)$
• 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. $\left(\begin{array}{cc}1& 1\\ 0& 1\end{array}\right)$

Answer: Option B

Explanation:

• A. 1
• B. -1
• D. 2

Answer: Option A

Explanation:

• A. {7}
• B. {2}
• C. {6}

Answer: Option C

Explanation: