Quiz Discussion

A tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10 A.M. pipe A was opened. At what time will the tank be filled if pipe B is opened at 11 A.M. ?

Course Name: Quantitative Aptitude

  • 1] 12.45 A.M.
  • 2] 5 P.M.
  • 3] 11.45 A.M.
  • 4] 12 P.M.
Solution
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# Quiz
1
Discuss

A water tank can be filled by a tap in 30 minutes and another tap can fill it in 60 minutes. If both taps are kept open for 5 minutes and then the first tap is closed, how long will it take foe the tank to be filled ?

  • 1] 20 minutes
  • 2] 25 minutes
  • 3] 30 minutes
  • 4] 45 minutes
Solution
2
Discuss

A pipe can fill a tank in x hours and another pipe can empty it in y (y > x) hours. If both pipes are open, in how many hours will the tank is filled?

  • 1]

    (x - y) hours

  • 2]

    (y - x) hours

  • 3]

    hours

  • 4]

    hours

Solution
3
Discuss

A tank with capacity T liters is empty. If water flows into the tank from pipe X at the rate of x liters per minute and water is pumped out by Y at the rate of y liters per minute and x > y, then how many minutes will the tank be filled?

  • 1]

    (x - y) 60 T minutes

  • 2]

    (T - x) minutes

  • 3]

      minutes

  • 4]

     minutes

Solution
4
Discuss

A pipe can fill a tank with water in 3 hours. Due to leakage in bottom, it takes hours to fill it. In what time the leak will empty the completely filled tank?

 

  • 1]

    12 hours

  • 2]

    21 hours

  • 3]

    hours

  • 4]

    hours

Solution
5
Discuss

Three taps A, B, C can fill an overhead tank in 4, 6 and 12 hours respectively. How long would the three taps take to fill the tank if all of them are opened together ?

  • 1] 2 hours
  • 2] 4 hours
  • 3] 3 hours
  • 4] 5 hours
Solution
6
Discuss

A pipe can fill a tank in 3 hours. There are two outlet pipes from the tank which can empty it in 7 and 10 hours respectively. If all the three pipes are opened simultaneously, then the tank will be filled in -

  • 1] 8 hours
  • 2] 9 hours
  • 3] 10 hours
  • 4] 11 hours
Solution
7
Discuss

Having the same capacity 9 taps fill up a water tank in 20 minutes. How many taps of the same capacity are required to fill up the same water tank in 15 minutes ?

  • 1] 10 taps
  • 2] 12 taps
  • 3] 15 taps
  • 4] 18 taps
Solution
8
Discuss

A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 (1/3) hours to fill the tank. The leak can drain all the water of the tank in:

  • 1]

    4 1/3 hours

  • 2]

    7 hours

  • 3]

    8 hours

  • 4]

    14 hours

Solution
9
Discuss

Two pipe A and B can fill a water tank in 20 and 24 minutes respectively and a third pipe C can empty at the rate of 3 gallons per minute. If A, B and C are open together to fill the tank in 15 minutes, find the capacity of tank?

  • 1] 180 gallons
  • 2] 150 gallons
  • 3] 120 gallons
  • 4] 60 gallons
Solution
10
Discuss

Two pipes can fill a tank in 40 and 48 minutes respectively and a waste pipe can empty 3 gallons per minutes. All the three pipes working together can fill the tank in 30 minutes, The capacity of the tank is-

  • 1] 60 gallons
  • 2] 120 gallons
  • 3] 180 gallons
  • 4] 240 gallons
Solution
# Quiz