Solution for the inequality $|3x - 7| \leq 2$ is :

The area of the triangle with vertices $(1,4), (2,7)$ and $(4,13)$ is :

The least positive integer X satisfying $28 \equiv x (\mod 6)$ is :

The number of all possible matrices of order 3 $\times$ 3 with each entry 2 or 3 is.

If the matrix $\begin{bmatrix} a & -2 & 5b \\ 2 & 0 & -15 \\ 15 & 3c & 0 \end{bmatrix}$ is skew-symmetric, then the value of $a^2 + b^2 + c^2$ is:

If $P = \begin{bmatrix} -2 & 2 & 0 \\ 3 & 1 & 4 \end{bmatrix}$ and $Q = \begin{bmatrix} 2 & 0 & -2 \\ 7 & 1 & 6 \end{bmatrix}$, If $5Q - 3P + 2R = 0$, then the matrix R is

If A is square matrix of order 3 with $|A| = 3$, then $|4 \text{ adj} A|$ is equal to :