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				   A bag contains n identical red balls , 2n identical black balls & 3n identical white balls .If probability of drawing n balls of same colour is  equal to 1/6 , then minimum no of red balls in the bag is equal to ?


6 years ago

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										Hello student,please find the answer to your question belowFrom the given dataThe requires probability is given by(3)/(n+2c2)1/6By substitution we find that n=5 is the smallest integer which makes this solution possibleSoprobability of drawing n balls of same colour is equal to 1/6 , then minimum no of red balls in the bag is equal to 5

2 years ago

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