Question

Six bells ring at an interval of 2,4,6,8,10and 12 seconds respectively. They started ringing simultaneously. After how long will they ring again together?

Answer 1

Answer:

SwayamicyExpert

Answer:

LCM of 2, 4, 6, 8 10 and 12 is 120.

So, after each 120 seconds, they would toll together.

Hence, in 30 minutes, they would toll 30*60 seconds / 120 seconds = 15 times

But then the question says they commence tolling together. So, they basically also toll at the "beginning" ("0" second).

So, total tolls together = 15+1 = 16

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Answer 2

Answer:

120

Step-by-step explanation:

L.C.M of 2,4,6,8,10&12 are

=120.

Hope it helps u.

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