List of top Mathematics Questions on Invertible Matrices asked in OJEE

If \( A = \begin{bmatrix} 2 & 1 5 & 3 \end{bmatrix} \), then \( A^{-1} = \) ____.

Inverse of \( \begin{bmatrix} 1 & 2 2 & 4 \end{bmatrix} \) ____.