Question Paper from: RBI Assistant Prelims 2016

There are 4 white, 6 black and 2 red balls in a bucket, 3 balls are taken out randomly. What is the probability that all three balls are of different colours.

1:

15/55

2:

12/65

3:

22/55

4:

12/75

5:

12/55 

Solution:
Chapter Name: Probability

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RBI Assistant Prelims 2016

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