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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. There are two pipes which are functioning simultaneouly to fill a tank in 12 hours, if one pipe fills the tank 10 hours faster than other then how many hours second pipe will take to fill the tank ?

  • 30 hours
  • 35 hours
  • 40 hours
  • 42 hours

3. 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

4. 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

5. 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
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