A bag contains 3 red, 5 black and 7 white balls. A ball is drawn from the bag at random. The probability that the drawn ... | MCQ 1m | Maths | SuperPadhai

Probability > Question

MCQ1 markYear: 2020EasyCBSE Class 10

probabilityballs

Question

A bag contains 3 red, 5 black and 7 white balls. A ball is drawn from the bag at random. The probability that the drawn is not black, is

Solution

1

Total balls

= 15

. Not black

= 3 + 7 = 10

.

P = \frac{10}{15} = \frac{2}{3}

+1 mark

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