Matrices

CBSE Class 12 · Mathematics · 34 past questions

8 of 34 · show all

1. Q1 2026

   Which of the following cannot be the order of a row-matrix ?

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2. Q7 2026

   If $\begin{bmatrix}4\\1\\3\end{bmatrix}A=\begin{bmatrix}-4&8&4\\-1&2&1\\-3&6&3\end{bmatrix}$, then order of A…

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3. Q10 2025

   If $A = \begin{bmatrix} 7 & 0 & x \\ 0 & 7 & 0 \\ 0 & 0 & y \end{bmatrix}$ is a scalar matrix, then $y^x$ is…

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4. Q18 2024

   If a matrix has 36 elements, the number of possible orders it can have, is…

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5. Q21 2024

   $If A = [a_{ij}] is an identity matrix, then which of the following is true ?$

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6. Q23 2024

   Questions number 19 and 20 are Assertion and Reason based questions. Two statements are given, one labelled…

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7. Q24 2024

   If the sum of all the elements of a $3 \times 3$ scalar matrix is 9, then the product of all its elements is…

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8. Q25 2024

   If $A = [a_{ij}]$ be a $3 \times 3$ matrix, where $a_{ij} = i - 3j$, then which of the following is *false* ?

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