1.

Pipe A can fill an empty tank in 6 hours and pipe B in 8 hours. If both the pipes are opened and after 2 hours pipe A is closed, how much time B will take to fill the remaining tank?

A. 7/3 hours
B. 15/2 hours
C. 10/3 hours
D. 12/5 hours
Answer» D. 12/5 hours


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