CBSE 2025 · Region 5 · Set 1 · Q2 · 1 mark
Let $\displaystyle x=\mathrm{a}^{2} b^{3} \mathrm{c}^{\mathrm{n}}$ and $\displaystyle y=\mathrm{a}^{3} b^{\mathrm{m}} \mathrm{c}^{2}$, where $\displaystyle \mathrm{a}, b, \mathrm{c}$ are prime numbers. If LCM of $\displaystyle x$ and y is $\displaystyle \mathrm{a}^{3} \mathrm{~b}^{4} \mathrm{c}^{3}$, then the value of $\displaystyle \mathrm{m}+\mathrm{n}$ is
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle 7$
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CBSE Class 10 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.