Quiz Discussion

A water tap fills a tub in 'p' hours and a sink at the bottom empties it in 'q' hours. If p < q and both tap and sink are opened the tank is filled in 'r' hours, then the relation between p, q, r :

Course Name: Quantitative Aptitude

  • 1]

    1/r = 1/p +1/q

  • 2]

    1/r = 1/p -1/q

  • 3]

    r = p + q

  • 4]

    r = p - q

Solution
No Solution Present Yet

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# Quiz
1
Discuss

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

  • 1] 8
  • 2] 15
  • 3] 16
  • 4] 18
Solution
2
Discuss

One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in:

  • 1] 81 minutes
  • 2] 108 minutes
  • 3] 144 minutes
  • 4] 192 minutes
Solution
3
Discuss

Pipe A can fill the tank in 8 hours and pipe B can fill it in 12 hours. If pipe A is opened at 7:00 AM and pipe B is opened at 9:00 AM, then at what time will the tank be full ?

  • 1] 12:00 PM
  • 2] 12:30 PM
  • 3] 11:48 PM
  • 4] 12:36 PM
Solution
4
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
5
Discuss

Pipes A and B can fill a tank in 5 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:

  • 1]

    hours

  • 2]

    hours

  • 3]

    hours

  • 4]

    hours

Solution
6
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
7
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
8
Discuss

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 )

  • 1]

  • 2]

  • 3]

  • 4]

Solution
9
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
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