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. 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

2. A tank can be filled by two pipes A and B in 60 minutes and 40 minutes respectively. How many minutes will it take to fill the tank from empty state if B is used for the first half time and then A and B fill it together for the other half.

  • 15 mins
  • 20 mins
  • 25 mins
  • 30 mins

3. 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

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. 12 buckets of water fill a tank when the capacity of each tank is 13.5 litres. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 9 litres?

  • 15 bukets
  • 17 bukets
  • 18 bukets
  • 19 bukets
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