Question Paper from: IBPS RRB Clerk Mains 2017

An urn contains 6 red, 4 blue and 2 green balls. 3 balls are picked at random, find the probability that all the 3 balls are of
same colour.

1:
5/88
2:
9/55
3:
1/11
4:
7/55
5:
None of these
Solution:
Chapter Name: Probability

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IBPS RRB Clerk Mains 2017

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