Quiz Discussion

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?

Course Name: Quantitative Aptitude

  • 1] 1 hour
  • 2] 2 hours
  • 3] 6 hours
  • 4] 8 hours
Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

A water tank is two-fifth full.Pipe A can fill a tank in 10 minutes and pipe B can empty it in 6 minutes.If both the pipes are open,how long will it take to empty or fill the tank completely?

  • 1]

    6 min to empty

  • 2]

    6 min to fill

  • 3]

    9 min to empty

  • 4]

    9 min to fill

Solution
3
Discuss

Two pipes A and B can fill a tank in 15 minutes and 20 minutes respectively. Both the pipes are opened together but after 4 minutes, pipe A is turned off. What is the total time required to fill the tank?

  • 1] 10 min. 20 sec.
  • 2] 11 min. 45 sec.
  • 3] 12 min. 30 sec.
  • 4] 14 min. 40 sec.
Solution
4
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
5
Discuss

Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long it will take to fill the tank ?

  • 1]

    10 mins

  • 2]

    12 mins

  • 3]

    15 mins

  • 4]

    20 mins

Solution
6
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
7
Discuss

Two pipes A and B can fill a tank in 20 and 30 hours respectively. Both the pipes are opened to fill the tank but when the tank is one - third full, a leak develops in the tank through which one - third water supplied by both the pipes gose out. The total time taken to fill the tank is?

  • 1] 12 hours
  • 2] 14 hours
  • 3] 16 hours
  • 4] 18 hours
Solution
8
Discuss

Pipe A can fill a tank in 4 hours and pipe B can fill it 6 hours. If they are opened on alternate hours and if pipe A is opened first then in how many hours, the tank shall be full ?

  • 1]

    hours

  • 2]

    hours

  • 3]

    hours

  • 4]

    hours

Solution
9
Discuss

Water is continuously supplied from a reservoir to a locality at the steady rate of 10000 liters per hours. When delivery exceeds demand the excess water is stored in a tank. If the demand for 8 consecutive three hour periods is 10000, 10000, 45000, 25000, 40000, 15000, 60000 and 35000 liters respectively, what will be the minimum capacity required of the water tank (in thousand liters)to meet the demand and avoid any wastage?

  • 1] 10
  • 2] 30
  • 3] 40
  • 4] 50
Solution
10
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
# Quiz