Three bells toll at intervals of 9, 12 and 15 minutes respectively. All three begin to toll at 8 a.m. At what time will they first toll together again?

examrobotsa's picture

Submitted by examrobotsa on

Q: 120 (IAS/2003)
Three bells toll at intervals of 9, 12 and 15 minutes respectively. All three begin to toll at 8 a.m. At what time will they first toll together again?
AnyChart Trial Version

question_subject: 

Logic/Reasoning

question_exam: 

IAS

stats: 

0,3,5,1,3,3,1

keywords: 

{'intervals': [0, 0, 1, 0], 'bells': [0, 0, 1, 0], 'minutes': [0, 0, 1, 1], 'time': [2, 6, 15, 23]}