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. 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. 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 leak in the bottom of a tank can empty the full tank in 6 hours. An inlet pipe fills water at the rate of 4 litres a minute. When the tank is full, the inlet is opened and due to the leak the tank is empty in 8 hours. The capacity of the tank (in litres) is

  • 5780 litres
  • 5770 litres
  • 5760 litres
  • 5750 litres

4. 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

5. An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3 hours 30 min to fill the tank. In what time the leak can drain out all the water of the tank and will make tank empty ?

  • 10 hours
  • 13 hours
  • 17 hours
  • 21 hours
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