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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 3 · Set 3 · Q1
A bag contains $\displaystyle 3$ red balls, $\displaystyle 5$ white balls and $\displaystyle 7$ black balls. The probability that a ball drawn from the bag at random will be neither red nor black is :
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle \frac{1}{3}$
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CBSE Class 10 Mathematics past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.