Question

Three bells toll at intervals of 8, 12 and 15 minutes respectively. If they start tolling

together, after what time will they toll together again?
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Answer 1

Answer:

As given the bels toll at intervals of 12 min, 15 min and 18 min respectively. meet at the time when their tolling interval coincides i.e. The L.C.M of 12 15 and 18. 2*2*3*3*5 = 180 minutes. Thus, they will toll together after 180 minutes of starting i.e. after 3 hours.

MARK ME BRAINLIEST