Question

Three bells toll at intervals of 16,24 and 32 second.if they begin to toll together, a how much time will they toll together again? ​

Answer 1

Answer:

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

∴L.C.M. of 36,40,48

=2×2×2×3×3×5×2

=720

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

Answer 2

Answer:

LCM OF 16,24 and 32

THEREFORE, LCM of 96

SO, the bells will toll together after 96 mins which is 1hr 36 mins