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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.

Answer:

Solution:

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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