CBSE 2025 · Region 1 · Set 1 · Q6 · 1 mark
If $\displaystyle \operatorname{HCF}(98,28)=\mathrm{m}$ and $\displaystyle \operatorname{LCM}(98,28)=\mathrm{n}$, then the value of $\displaystyle \mathrm{n}-7 \mathrm{~m}$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle 98$
Real NumbersHCF and LCM by Prime FactorisationApplymcqeasy
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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.