Q: Taps X and Y can fill a tank in 30 and 40 minutes respectively.Tap – McqOptions

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1.	Q: Taps X and Y can fill a tank in 30 and 40 minutes respectively.Tap Z can empty the filled tank in 60 minutes.If all the three taps are kept open for one minute each,how much time will the taps take to fill the tank?
A.	48min
B.	72min
C.	24min
D.	None of these
Answer» D. None of these

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