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A rectangular water tank is 80m x 40 m.W...

A rectangular water tank is 80m x 40 m.Water flows into it through a pipe of 40 sq. cm at the opening at a speed of 10 km/hr. The water level will rise in the tank in half an hour is
एक आयताकार पानी की टंकी 80मी: x 40मी. की है। इसमें 40 वर्ग से.मी. का पाईप, जो खोलने पर 10 कि.मी./घं. की गति से पानी भरता है। बताइए टंकी में आधे घण्टे में जल स्तर कितना ऊपर होगा?

A

`(3)/(2) cm`

B

`(4)/(9) cm`

C

`(5)/(9) cm`

D

`(5)/(8) cm`

Text Solution

Verified by Experts

The correct Answer is:
D
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