19 persons do 19 programs in 19 hours . If they take 15 mins interval and then how much time they need to do 52 programs.

23 hours
47 hrs 15 min
52 hrs 15 min
22 hrs 15 min

Correct Answer: 52 hrs 15 min

Explanation:

Since they can do 19 programs in 19 hours, Then 52 programs in 52 hours respectively.
And a 15 min interval
Total time they take to do 52 programs is 52 hours 15 minutes.

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