The school bell rings every 40 minutes and the clock tower of the city centre
rings every 60minutes at 8 am. On a day both the bells sounded together. At
what time will both of them make their sounds next?
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Answer:
LCM of 60 and 40
60 = 2*3*5*2
40 = 2*2*5*2
LCM = 2*2*2*5*3
= 120
I think it would be solved like this
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