CUET Mathematics - If A = bmatrix 2 & -1 & 0 \\ 1 & 1 & 2 \\ -1 & 0 & 1 bmatrix, then which of the following statement(s) is/are correct? (A) A is singular matrix (B) |3A| = 135 (C) |adj A| = 125 (D) |A^-1| = 1/5 Choose the correct answer from the options given below: | PYQs + Solutions

CUET Mathematics 2025 26 May Shift 2

Algebra

Medium

core

(B) and (D) only

(A) and (C) only

(B) and (C) only

(A) only

✅ Correct Option: 1

Related questions:

22 May Shift 2

Match List-I with List-II

List-I	List-II
Matrix Product	Order of resultant matrix
(A) $[a_{ij}]_{2 \times 3} \times [b_{ij}]_{3 \times 4}$	(I) $2 \times 4$
(B) $[a_{ij}]_{2 \times 1} \times [b_{ij}]_{1 \times 3}$	(II) Not possible
(C) $[a_{ij}]_{3 \times 2} \times [b_{ij}]_{3 \times 2}$	(III) $3 \times 3$
(D) $[a_{ij}]_{3 \times 3} \times [b_{ij}]_{3 \times 3}$	(IV) $2 \times 3$

Choose the correct answer from the options given below:

22 May Shift 2

If $\begin{bmatrix} ab & cd \\ a+c & b+d \end{bmatrix} = \begin{bmatrix} 2 & -3 \\ 4 & 1 \end{bmatrix}$ where $a$ , $b$ , $c$ , $d$ are integers, then which of the following are true?

(A) $a + d = 0$

(B) $b + d = 3$

(D) $c + d = 2$

Choose the correct answer from the options given below:

30 May Shift 2

If $x = -4$ is a root of $\begin{vmatrix}x & 2 & 3 \\ 1 & x & 1 \\ 3 & 2 & x\end{vmatrix} = 0$ , then the sum of the other 2 roots is

CUET Mathematics 2025 26 May Shift 2 PYQs

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