PU-MET : Panjab University MBA Entrance Exam with MCQ Answers 2018

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49.

Water is filled in a container in such a manner that its volume doubles every 5 minutes. If it takes 30 minutes for the container to be full, in how much time will it be one fourth full?

A: 7 min & 30 sec.
B: 10 min.
C: 20 min.
D: 25 min

The answer is: C