1 . 12×2x-3+1=5

• A. 3
• B. 4
• C. 5
• D. 6

Answer: Option D

Explanation:

2 . 2×2

• A. $\left[\begin{array}{cc}3& 3\\ 4& 5\end{array}\right]$
• B. $\left[\begin{array}{cc}3& 5\\ 4& 6\end{array}\right]$
• C. $\left[\begin{array}{cc}3& 3\\ 3& 6\end{array}\right]$
• D. $\left[\begin{array}{cc}3& 5\\ 3& 4\end{array}\right]$

Answer: Option A

Explanation: