A, B and C are three pipes connected to a tank. A and B together fill the tank in 6 hrs. B and C together fill the tank in 10 hrs. A and C together fill the tank in \(7\frac{1}{2}\)hours. In how much time will A alone fill the tank?

A, B and C are three pipes connected to a tank. A and B together fill

1.	A, B and C are three pipes connected to a tank. A and B together fill the tank in 6 hrs. B and C together fill the tank in 10 hrs. A and C together fill the tank in \(7\frac{1}{2}\)hours. In how much time will A alone fill the tank?
A.	11 hours
B.	10 hours
C.	13 hours
D.	12 hours
Answer» C. 13 hours

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A, B and C are three pipes connected to a tank. A and B together fill the tank in 6 hrs. B and C together fill the tank in 10 hrs. A and C together fill the tank in \(7\frac{1}{2}\)hours. In how much time will A alone fill the tank?

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