For 6th standard, LCM Word problems. Three bells toll at intervals of 6, 10 and 12 seconds.If they begin to toll together, after how much time will they toll together again?
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Answer:
6 = 2×3
10 = 2×5
12 = 2×2×3
L.C.M = 2×2×5×3
L.C.M = 60
After 60 seconds the three bells will toll together again.
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