JEE Main 2025 — Matrices Question with Solution
JEE Main 2025 (28 Jan Shift 1)
Question
Let M denote the set of all real matrices of order and let . Let
If , then equals _______
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Show full solutionCorrect answer: 1613
Correct answer
1613
Step-by-step explanation
$\left[\begin{array}{lll}
a_{11} & a_{12} & a_{13} \\
a_{21} & a_{22} & a_{23} \\
a_{31} & a_{32} & a_{33}
\end{array}\right]$
No. of elements in
No. of elements in
since no. zero in 5
No. of elements in
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This is a previous-year question from JEE Main 2025, covering the Matrices chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.