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

Top 5 Similar Quiz - Based On AI&ML

Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api

# Quiz
1
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
2
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
3
Discuss

An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it  took 321​ hours to fill the tank. The leak can drain all the water off the tank in

  • 1]

    12 hours

  • 2]

    10 1/2 hours

  • 3]

    6 1/2 hours

  • 4]

    21 hours

Solution
4
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
5
Discuss

Two pipes A and B can fill a cistern in 37.5 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
6
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
7
Discuss

A large tanker 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 tanker from empty state if B is used for half the time and A and B fill it together for the other half?

  • 1] 15 minutes
  • 2] 20 minutes
  • 3] 27.5 minutes
  • 4] 30 minutes
Solution
8
Discuss

3/4 part of the tank is full of water. When 30 litres of water is taken out, the tank becomes empty. The capacity of the tank is -

 

  • 1] 36 liters
  • 2] 42 liters
  • 3] 40 liters
  • 4] 38 liters
Solution
9
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
10
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
# Quiz