Question:
Four pipes A, B,C and D can fill a cistern in 20, 25, 40 and 50 hours respectively. If A and B are opened as inle as outlet pipes from the cistern and all the four pipes are opened simultaneously, how many hours will take to fill the cistern c
Four pipes A, B,C and D can fill a cistern in 20, 25, 40 and 50 hours respectively. If A and B are opened as inle as outlet pipes from the cistern and all the four pipes are opened simultaneously, how many hours will take to fill the cistern c
Updated On: Oct 16, 2024
- 20 hrs
- 11 1/9 hrs
- 22 2/9 hrs
- 45 hrs
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The Correct Option is C
Solution and Explanation
The correct option is (C):22 2/9 hrs
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