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

Statistics and Probability — quick quiz

5 real APPSC Group I questions on Statistics and Probability. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

MEDIUM

The mean of five numbers is 28. If one number is excluded, the mean of the remaining four numbers becomes 25. What is the excluded number?