If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Probability — quick quiz

5 real OD Police PC questions on Probability. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 1

HARD

A bag contains 5 red balls, 4 green balls, and 3 blue balls. If two balls are drawn at random without replacement, what is the probability that both are red?