Traffic lights at three different crossing points change light signals at the interval of 24, 48 and 72 seconds. If these three light signals are changed together at 9 : 10 : 24 hours then when will be they change again together?

Question

Accepted Answer

9 : 12 : 48

Traffic lights at three different crossing points change light signals at the interval of 24, 48 and 72 seconds. If these three light signals are changed together at 9 : 10 : 24 hours then when will be they change again together?

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