Question

X completes one round of a running track in 12 minutes and Y completes it
in 15 minutes and Z completes it in 18 minutes. At what time will they
reach together at starting point again, if they start at the same time 7:00
a.m. and maintain their speed?

Answer 1

Answer:

LCM = 180 min / 3 hr

They started at 7 am

so after 3hrs ie 10 am they  will reach together at the starting point again.

Answer 2

Answer:

Step-by-step explanation:

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