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One-fourth of a tank can be filled in 3 hours by pipe A and one-third of the same tank can be filled in 2 hours by pipe B. How long will it take for the tank to be filled if both are pipes are kept open?
किसी टंकी का एक चौथाई भाग पाइप A के द्वारा 3 घंटे में तथा इसी टंकी का एक-तिहाई भाग पाइप B के द्वारा 2 घंटे में भरा जा सकता है | यदि दोनों पाइप चालू कर दिए जाते हैं, तो इस टंकी को भरने में कितना समय लगेगा ?

A

5h

B

2h

C

4h

D

`2 1/2 h`

Text Solution

Verified by Experts

The correct Answer is:
C
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