1.

 There are two tank A and B to fill up a water tank. The tank can be filled in 40 min, if both taps are on. The same tank can be filled in 60 min, if tap A alone is on. How much time will tap B alone t

A. 64 min
B. 80 min
C. 96 min
D. 120 min
Answer» E.


Discussion

No Comment Found

Related MCQs