There are two taps A and B to fill up a water tank. the tank can be filled in 40 minutes if both taps are on. the same tank can be filled in 60 minutes if tape A alone is on. how much time will tap B alone take to fill up the same tank?

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Accepted Answer

120 min

There are two taps A and B to fill up a water tank. the tank can be filled in 40 minutes if both taps are on. the same tank can be filled in 60 minutes if tape A alone is on. how much time will tap B alone take to fill up the same tank?

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