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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 4 · Set 1 · Q5
The number of red balls in a bag is 10 more than the number of black balls. If the probability of drawing a red ball at random from this bag is 3/5,…
The number of red balls in a bag is $\displaystyle 10$ more than the number of black balls. If the probability of drawing a red ball at random from this bag is $\displaystyle \frac{3}{5}$, then the total number of balls in the bag is :
Official answer
(A)
$\displaystyle 50$
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CBSE Class 10 Mathematics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.