An inlet pipe can fill a water tank in 8 hours but 5 inlet pipes of same efficiency and 7 outlets pipe of same efficiency working together take 24 hours to fill the empty tank. Find the number of hours, four inlets pipe and 4 outlets pipe working together will take to fill the empty tank?

An inlet pipe can fill a water tank in 8 hours but 5 inlet pipes of sa

1.	An inlet pipe can fill a water tank in 8 hours but 5 inlet pipes of same efficiency and 7 outlets pipe of same efficiency working together take 24 hours to fill the empty tank. Find the number of hours, four inlets pipe and 4 outlets pipe working together will take to fill the empty tank?
A.	4 hours
B.	6 hours
C.	8 hours
D.	10 hours
E.	None of these
Answer» C. 8 hours

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An inlet pipe can fill a water tank in 8 hours but 5 inlet pipes of same efficiency and 7 outlets pipe of same efficiency working together take 24 hours to fill the empty tank. Find the number of hours, four inlets pipe and 4 outlets pipe working together will take to fill the empty tank?

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