Math, asked by Anonymous, 28 days ago

Three bells toll together at intervals of 9, 12 and 15 minutes. If they start toiling together, after what time will they toll next?
a. 1 hour
b. 2 1/2 hours
c. 3 hours
d. 3 1/2 hours

Answers

Answered by triptissg04
8

I hope you have you answer bun

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Answered by sriram611
0
Answer: c. 3 hours


Explanation:

To find in what time they ring together, we must find their LCM.

LCM of 9, 12, 15 = 180 = 180 / 60 = 3hrs.

The answer that we got is in minutes since we found the LCM of 3 given minutes.

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