download Mastguru Android App

Question Detail

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}
Similar Questions :

1. Two pipes A and B can fill a tank in 6 hours and 4 hours respectively. If they are opened on alternate hours and if pipe A is opened first, in how many hours, the tank shall be full ?

  • 3 hours
  • 5 hours
  • 7 hours
  • 10 hours

2. 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}

3. A water tank is two-fifth full. Pipe A can fill a tank in 10 minutes and pipe B can empty in 6 minutes. If both the pipes are open, how long will it take to empty or fill the tank completely ?

  • 6 min to empty
  • 7 min to full
  • 6 min to full
  • 7 min to empty

4. 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

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
Read more from - Pipes and Cisterns Questions Answers
Post a comment