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. 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

2. 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

3. Taps A and B can fill a bucket in 12 minutes and 15 minutes respectively. If both are opened and A is closed after 3 minutes, how much further time would it take for B to fill the bucket?

  • 8 min 15 sec
  • 7 min 15 sec
  • 6 min 15 sec
  • 5 min 15 sec

4. A cistern can be filled in 9 hours but due to a leak at its bottom it takes 10 hours. If the cistern is full, then the time that the leak will take to make it empty will be ?

  • 20 hours
  • 19 hours
  • 90 hours
  • 80 hours

5. 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
Read more from - Pipes and Cisterns Questions Answers
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