four bells toll at interval of 4,7,12 & 84 seconds. The Bells toll together at 5 o'clock, when 'll they again toll together? How many times 'll they do it in 28 mins.

  • -7

after finding the LCM of 4,7,12 and 84 we got 84

that means the bells toll after an interval of 84 seconds

 

  • 3

 Find LCM 4, 7, 12 and 84. LCM - 84. so the bells will toll again together at 5:1:24 am/pm. 

  • -1

find l.c.m. 4, 7, 12 and 84

  • -2
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