Question

6..
Three bells toll at intervals of 16 seconds, 20 seconds and 24 seconds respectively. If they all toll
together at 8 a.m .,when will they all toll together again ​

Answer 1

Answer:

Let is first find L.C.M of 36, 40, 48

∴L.C.M.of36,40,48

=2×2×2×3×3×5×2

=720

Hence the next time the three bells will toll together after 720 sec=12min.

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