9. Three bells toll at the intervals of 30, 40 and
60 seconds. In 30 minutes, how many times
they will toll together?
Answers
Answered by
7
let take the LCm of 30 40 60
It is 120 which means 2m
So the answer is 30 ÷2 =15times
sumangupta7055:
thanks bro
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0
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