15 Minute Intervals

A patient is given five different tablets to take at night at an interval of 15 minutes. How long will it take the patient to consume all the five tablets?


The patient will take 1 hour to consume all five tablets.

Suppose he takes the first tablet at 8:00 PM. He will take the subsequent tablets at 8:15 PM, 8:30 PM, 8:45 PM and 9:00 PM.

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