Time and Work - Data Intensity 2 :: Discussion


30.If two pipes function together, the cistern will be filled in 6 hrs. One pipe fills the cistern 5 hrs. faster than the other. How many hours it take the second pipe to fill the cistern?
A.5 hrs
B.10 hrs
C.15 hrs
D.20 hrs
Answer:  Option  C
Explanation:

Tutorial Link:
Published by:Michael Daani

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