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A Bag Contains 5 Red, 8 Green and 7 White Balls, One Ball is Drawn at Random from the Bag. What is the Probability of Getting a White Ball Or a Green Ball? - Mathematics

Sum

A bag contains 5 red, 8 green and 7 white balls, One ball is drawn at random from the bag. What is the probability of getting a white ball or a green ball? 

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Solution

GIVEN: A bag contains5 red, 8 green and 7 white balls

TO FIND: Probability of getting a white ball or a green ball.

Total number of balls `5+8+7=20`

Total number of green or white balls `8+7=15` 

`"We know that PROBABILITY" =" Number of favourablr event"/"Total number of event"`

`"Hence probability of getting a green or a white ball "= 15/20=3/4` 

`"Hence probability of getting an green or white ball "= 3/4` 

 

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APPEARS IN

RD Sharma Class 10 Maths
Chapter 16 Probability
Q 3 | Page 34
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