Three bells rings at intervals of 30min, 40min and 48min. The bells rang at 1230h.What time, in a. m/p.m, will they ring together next?

asked Jan 8, 2023 157k views

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5 votes

The lowest common multiple of 30, 40 and 48 is 240
The bells will ring together in 240 mins = 4 hours ie at 1630 or 4:30pm

Florian Jenn answered Jan 12, 2023

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