18. A tank can be filled by tap a and b in 8 and 6 hrs, respectively.Tap c can empty the filled tank in 4 hrs.If all the three taps are opened simultaneously,how much time will be taken to fill the tank completely?
Answers
Answered by
0
Answer:
(a) 6 hours (b) 7 hours (c) 6.30 hours (d) None of these A tap can fill a tank in 25 ... While a third pipe emptied the full tank in 20 hours........................
Answered by
1
Answer:
(a) 6 hours (b) 7 hours (c) 6.30 hours (d) None of these A tap can fill a tank in 25 ... While a third pipe emptied the full tank in 20 hours........................
Similar questions