Quiz Discussion

Two pipes can fill a tank in 12 hours and 16 hours respectively. A third pipe can empty the tank in 30 hours. If all three pipes are opened and functions simultaneously, how much time will the tank take to be full?( in hours )

Course Name: Quantitative Aptitude

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Solution
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# Quiz
1
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
2
Discuss

Three taps A, B and C can fill a tank in 12,15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately, the tank will be full in.

  • 1]

    6 hours

  • 2]

    6 2/3 hours

  • 3]

    7 hours

  • 4]

    7 1/2 hours

Solution
3
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
4
Discuss

A tap can completely fill a water tank in 8 hours. The water tank has a hole in it through which the water leaks out. The leakage will cause the full water tank to get empty in 12 hours. How much time will it take for the tap the the tank completely with the hole?

  • 1] 16 hours
  • 2] 18 hours
  • 3] 24 hours
  • 4] None of these
Solution
5
Discuss

Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately?

  • 1] 1 hour
  • 2] 2 hours
  • 3] 6 hours
  • 4] 8 hours
Solution
6
Discuss

A pipe can fill a tank in x hours and another can empty it in y hours. In how many hours they together fill it in ( y > x) ?

  • 1]

    (x - y) hours

  • 2]

    (y - x) hours

  • 3]

     hours

  • 4]

    hours

Solution
7
Discuss

A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is:

  • 1] 6 hours
  • 2] 10 hours
  • 3] 15 hours
  • 4] 30 hours
Solution
8
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
9
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
10
Discuss

Two pipes A and B can fill a cistern in 37 1/2 minutes and 45 minutes respectively. Both pipes are opened. The cistern will be filled in just half an hour, if the B is turned off after:

  • 1]

    5 min.

  • 2]

    9 min.

  • 3]

    10 min.

  • 4]

    15 min.

Solution
# Quiz