Question

8.
Bells A and B chime after every 12 seconds and 30 seconds. If they begin by chiming together
then how many times will they chime in first 10 minutes ?​

Answer 1

Answer:

The bells will chime 10 times in the first 10 minutes.

Step-by-step explanation:

10mins = 10×60 = 600seconds

LCM of 12 and 30 is 60(seconds)

600/60 = 10 times

Answer 2

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Step-by-step explanation:

1min= 60sec

10min = 10 * 60 = 600 min

take the LCM of 12& 30 which is 60 sec.

600/ 60 = 10 times

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