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

Number System — quick quiz

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

Question 1 of 5

MEDIUM

Three bells toll at intervals of 12 minutes, 15 minutes and 18 minutes respectively. If they start tolling together at 8:00 AM, at what time will they next toll together?