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A Bag Contains 4 White Balls, 5 Red Balls, 2 Black Balls and 4 Green Balls. a Ball is Drawn at Random from the Bag. Find the Probability that It is Black. - Mathematics

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Question

A bag contains 4 white balls, 5 red balls, 2 black balls and 4 green balls. A ball is drawn at random from the bag. Find the probability that it is black.

Short/Brief Note
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Solution

Total number of balls = 15

Number of black balls = 2

∴  P(getting a black ball) =`"Number of favourable outcomes"/"Number of all possible outcomes" 2/15` 


Thus, the probability of getting a black ball is `2/15`

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Chapter 15: Probability - Exercise 15A [Page 687]

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R.S. Aggarwal Mathematics [English] Class 10
Chapter 15 Probability
Exercise 15A | Q 15.1 | Page 687
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