Three pipes of same capacity can fill a tank in 8 hours. If there are only two pipes of same capacity, the tank can be filled in___________?

Three pipes of same capacity can fill a tank in 8 hours. If there are

1.	Three pipes of same capacity can fill a tank in 8 hours. If there are only two pipes of same capacity, the tank can be filled in___________?
A.	17 hours
B.	12 hours
C.	16 hours
D.	24 hours
Answer» C. 16 hours

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Three pipes of same capacity can fill a tank in 8 hours. If there are only two pipes of same capacity, the tank can be filled in___________?

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