CBSE 2025 · Region 7 · Set 1 · Q5 · 1 mark
If A and B are two square matrices each of order $\displaystyle 3$ with $\displaystyle |\mathrm{A}|=3$ and $\displaystyle |\mathrm{B}|=5$, then $\displaystyle |2 \mathrm{AB}|$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle 120$
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CBSE Class 12 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.