CUET Mathematics - Let the matrix A = [a_ij]_3x3 be defined by a_ij = cases 2i + 3j, & i ≤ j \\ 5, & i = j \\ 3i - 2j, & i > j cases The number of elements in the matrix A which are greater than 7, is: | PYQs + Solutions

CUET Mathematics 2025 14 May Shift 2

Algebra

Medium

common

✅ Correct Option: 2

Related questions:

30 May Shift 1

Let $A = [a_{ij}]_{n \times n}$ be a matrix, then match List-I with List-II

List-I	List-II
(A) $\|A\| = 0$	(I) $A$ is a symmetric matrix
(B) $\|A\| \neq 0$	(II) $A$ is a skew-symmetric matrix
(C) $A^T = A$	(III) $A$ is a singular matrix
(D) $A^T = -A$	(IV) $A$ is a non-singular matrix

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14 May Shift 2

Let A be any square matrix of order 3 and $B = \begin{bmatrix} 0 & -4 & 2 \\ 4 & 0 & 3 \\ -2 & -3 & 0 \end{bmatrix}$ . Then the matrix $ABA^T$ is a

15 May Shift 2

If $A = [a_{ij}]$ be square matrix of order 3, such that $a_{ij} = i + j$ , $\forall i, j$ then which of the following are correct?

(A) A is a skew-symmetric matrix.

(B) A is a non-singular matrix.

(D) A is a symmetric matrix.

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CUET Mathematics 2025 14 May Shift 2 PYQs