Discussion of Question with ID = 175 under Clocks-and-Calendars

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An event occurs at regular intervals of 20 minutes. The last event occured 4 minutes ago The next event is due at 12::30 PM. What is the time now?


12::14 PM.


12::15 PM.


12::13 PM.


12::10 PM.

Ans: a

The last event took place at 12::30 PM - 20 minutes, i.e., at 12::10 PM, which was 4 minutes earlier from now. So the time now is 12::10 PM + 4 mins = 12::14 PM.

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