RD Sharma Solutions Class 10 Mathematics Solutions for Probability Exercise 13.1 in Chapter 13 - Probability

Question 50 Probability Exercise 13.1

A bag contains 4 red, 5 black and 6 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is Red or White.



The possibility that an event will occur is referred to as the probability of the event. In mathematics, this possibility of an event happening is represented by a number between 0 and 1.

Given: A bag contains 4 red, 5 black and 6 white balls and a ball is drawn at random

Required to Find: Probability of getting a red or white

Total number of balls 4 + 5 + 6 = 15

Total number of red or white balls 4 + 6 = 10

We know that Probability = Number of favourable outcomes/ Total number of outcomes

Thus, the probability of drawing a white or red ball = 10/15 = 2/3

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