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Mathematics · 2023 · 2 marks
CBSE 2023 · Region 1 · Set 1 · Q24
Find the greatest number which divides 85 and 72 leaving remainders 1 and 2 respectively.
Find the greatest number which divides $\displaystyle 85$ and $\displaystyle 72$ leaving remainders $\displaystyle 1$ and $\displaystyle 2$ respectively.
Marking-scheme solution
We have to find HCF of \(\displaystyle 85-1=84\) and \(\displaystyle 72-2=70\).
HCF of $\displaystyle 84$ and \(\displaystyle 70=14\)
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CBSE Class 10 Mathematics past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.