KBC 2021: How long does one period in Pawan's online class last, if he attends three periods of equal duration between 9 am and 11:15 am?
A. Half an hour
B. One hour fifteen minutes
C. Forty five minutes
D. One and a half hours
Answer: Forty five minutes
This is a computational question that makes use of unitary method and time calculations. If Pawan attends three periods of equal duration in 135 minutes, then each period is of 135 divided by 3, that is 45 minutes duration.
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