A tank has two inlets and an outlet. The inlest fillup the tank in 6 hours and 8 individually and outlet empties it in 10 hours. If the inlets are opened for a hour and closed and then all the three taps are opened together, how much time wil it take to fill up the remaining tank ?

Options

A. 75/23 hours
B. 72/23 hours
C. 85/23 hours
D. 82/23 hours

Answer

C