If two pipes function simultaneously, the reservoir willbe filled in 1 – McqOptions

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1.	If two pipes function simultaneously, the reservoir willbe filled in 12 hours. One pipe fills the reservoir 10 hours faster than the other. How many hours it takes the second pipe to fill the reservoir ?
A.	25 hrs
B.	28 hrs
C.	30 hrs
D.	35 hrs
Answer» D. 35 hrs

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