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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 5 · Set 3 · Q16
A bag contains red coloured, blue coloured and green coloured balls in the ratio $\displaystyle 2$ : $\displaystyle 3$ : 4. A ball is drawn at random from the given bag. The probability that the ball so drawn being not of blue colour is
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle \frac{2}{3}$
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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.