There are certain number of balls in a bag having red, yellow and blue colored balls. Sum
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Question:
There are certain number of balls in a bag having red, yellow and blue colored balls. Sum of the yellow and blue balls is 9. If two balls are taken at random from the bag then the probability of getting both red balls is 1/7. Find the number of red balls in the bag.
Related Book For
Probability And Statistics For Engineers And Scientists
ISBN: 9780495107576
3rd Edition
Authors: Anthony Hayter
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