• Batches for Cat 2018 Starts on October 24.

Question :- 

A box contains 6 red balls, 7 green balls and 5 blue balls. Each ball is of a different size. The probability that the red ball selected is the smallest red ball, is

a)   1/18                 b)         1/3       c)         1/6       d)         2/3

Given that the ball selected is red, since there are 6 red balls, the probability that the ball selected is a particular ball is 1/6
c)           1/6