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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 3 · Set 3 · Q6
If in a lottery, there are $\displaystyle 10$ prizes and $\displaystyle 30$ blanks, then the probability of winning a prize is :
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle \frac{1}{4}$
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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.