If two pipes function simultaneously, the reservoir will be filled i – McqOptions

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1.	If two pipes function simultaneously, the reservoir will be filled in 24 hrs. One pipe fills the reservoir 20 hours faster than the other. How many hours does it take for the second pipe to fill the reservoir?
A.	12 hrs
B.	30 hrs
C.	44 hrs
D.	60 hrs
Answer» E.

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