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…

CBSE Class 10 Maths PYQ · Probability · Reverse question of probability · 1 Mark · March 2025 · Standard

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911 Mark · March 2025 · Standard

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 $\frac{3}{5}$, then the total number of balls in the bag is :

(a)$50$
(b)$60$
(c)$80$
(d)$40$

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(a) $50$

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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…

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