Question Detail

A tap can fill a tank in 6 hours. After half the tank is filled then 3 more similar taps are opened. What will be total time taken to fill the tank completely.

  • 2 hours 30 mins
  • 2 hours 45 mins
  • 3 hours 30 mins
  • 3 hours 45 mins
Similar Questions :

1. One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in

  • 144 mins
  • 140 mins
  • 136 mins
  • 132 minw

2. A tank can be filled by a tap in 20 minutes and by another tap in 60 minutes. Both the taps are kept open for 10 minutes and then the first tap is shut off. After this, the tank will be completely filled in what time ?

  • 10 mins
  • 15 mins
  • 20 mins
  • 25 mins

3. Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long it will take to fill the tank ?

  • 10 mins
  • 12 mins
  • 15 mins
  • 20 mins

4. Pipes A and B can fill a tank in 5 hours and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in.

  • \begin{aligned} 3\frac{9}{5} \end{aligned}
  • \begin{aligned} 3\frac{9}{17} \end{aligned}
  • \begin{aligned} 3\frac{7}{5} \end{aligned}
  • \begin{aligned} 3\frac{7}{17} \end{aligned}

5. Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many hours will the tank be filled ?

  • 2.5 hours
  • 2 hours
  • 3.5 hours
  • 3 hours
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