Question:
Two pipes A and B can fill a cistern in 15 minutes and 30 minutes respectively. Both pipes are opened together, but after 5 minute pipe B is turned off. The cistern will be full in total:
Two pipes A and B can fill a cistern in 15 minutes and 30 minutes respectively. Both pipes are opened together, but after 5 minute pipe B is turned off. The cistern will be full in total:
Updated On: May 21, 2024
- 10 minutes
- 7.5 minutes
- 15 minutes
- 12.5 minutes
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The Correct Option is D
Solution and Explanation
The correct option is (D):12.5 minutes
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