A tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10 A.M. pipe

Question

A tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10 A.M. pipe A was opened. At what time will the tank be filled if pipe B is opened at 11 A.M. ?

Options:

A . 12.45 A.M.

B . 5 P.M.

C . 11.45 A.M.

D . 12 P.M.

Answer: Option C

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