Question

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?​

Answer 1

Answer:

Lcm (6,10,12 )

which comes out to be 30 !!

therefore , they toll together again at 30 s

Answer 2

Answer:

6 = 2×3

10 = 2×5

12 = 2×2×3

L.C.M = 2×2×3×5

L.C.M = 60

The bells will toll again together after 60 seconds.

hope it helps you✌