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Mathematics · 2026 · 1 mark
CBSE 2026 · Region 2 · Set 1 · Q18
The probability for a randomly selected number out of $\displaystyle 1,2,3,4, \ldots, 25$ to be a composite number is :
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle \frac{15}{25}$
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CBSE Class 10 Mathematics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.