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Water is flowing at the rate of 3km/hr t...

Water is flowing at the rate of 3km/hr through a circular pipe of 20cm internal diameter into a circular cistern of diameter 10m and depth 2m. In how much time will the cistern be filled?

A

1 hour

B

1 hour 40 minutes

C

1 hour 20 minutes

D

2 hours 40 minutes

Text Solution

Verified by Experts

The correct Answer is:
B
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