Quiz Discussion

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 -

 

Course Name: Quantitative Aptitude

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

Two pipes A and B can fill a tank with water in 30 minutes and 45 minutes respectively. The third pipe C can empty the tank in 36 minutes. First A and B are opened. After 12 minutes C is opened. Total time ( in minutes ) in which the tank will be filled up is -

  • 1] 12 minutes
  • 2] 24 minutes
  • 3] 30 minutes
  • 4] 36 minutes
Solution
3
Discuss

A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?

  • 1] 3 hrs 15 min
  • 2] 3 hrs 45 min
  • 3] 4 hrs
  • 4] 4 hrs 15 min
Solution
4
Discuss

Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of the solution R in the liquid in the tank after 3 minutes?

  • 1]

    5/11

  • 2]

    6/11

  • 3]

    7/11

  • 4]

    8/11

Solution
5
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
6
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
7
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
8
Discuss

A tap drips at a rate of one drop/second. 600 drops make 100 ml. The number of liters wasted in 300 days is -

  • 1] 4320000 liters
  • 2] 432000 liters
  • 3] 43200 liters
  • 4] 4320 liters
Solution
9
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
10
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
# Quiz