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

Number System — quick quiz

5 real WBCS questions on Number System. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

HARD

The sum of the squares of three consecutive odd numbers is 2531. What is the middle number?