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

A bag contains 3 red balls, 5 black balls and 4 white balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is not red?

Solution:

Probability refers to a result's chance or potential. It describes the likelihood of a specific occurrence.

Given: A bag contains 3 red, 5 black and 4 white balls

Required to find: Probability of getting a Not red ball

Total number of balls 3 + 5 + 4 =12

Total number of balls which are not red are 4 white balls and 5 black balls i.e. 4 + 5 = 9

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

Thus, the probability of getting no red ball = 9/12 = 3/4

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