Two bells toll in every 45 seconds and 60 seconds. If they toll together at 8:00 am, then which of the following is the probable time at which they can toll together ?

8:55 am

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8:50 am

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8:45 am

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8:40 am

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Solution

The correct option is C 8:45 am
LCM of 45 seconds and 60 seconds is 180 seconds, i.e., 3 minutes.
Therefore, they will toll together in every 3 minutes.
Hence, option C is correct.

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Two bells toll in every 45 seconds and 60 seconds. If they toll together at 8:00 am, then which of the following is the probable time at which they can toll together ?

The correct option is C 8:45 amLCM of 45 seconds and 60 seconds is 180 seconds, i.e., 3 minutes.Therefore, they will toll together in every 3 minutes.Hence, option C is correct.

The correct option is C 8:45 am
LCM of 45 seconds and 60 seconds is 180 seconds, i.e., 3 minutes.
Therefore, they will toll together in every 3 minutes.
Hence, option C is correct.