Pipes and Cisterns Quiz-1

Question 1

Time: 00:00:00
A and B are two taps attach to a cistern. Tap A can fill the cistern in 35 mins but tap B can empty the tank in 55 mins. Since Aman has started both the taps unknowingly he realized his mistake after 35 minutes. Then he closes Tap B immediately. After this how much time it will take to fill the cistern completely?

40.4

40.4

35.33

35.33

30.5

30.5

22.32

22.32

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Question 2

Time: 00:00:00
A full tank is emptied in 50 hrs by a pipe C.  And 25 hrs and 5 hrs was time taken by two Pipe A and B to fill the tank respectively. Now all three taps were opened by Ram unknowingly. Now after 2 hrs Sham realized Ram mistake and closed Pipe C. Now, due to this mistake by Ram how much more time the taps will take to fill the tank?

18

18

16

16

22

22

44

44

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Question 3

Time: 00:00:00
If Pipe P and Q are working together they can fill the tank in 8.4 hrs. If Pipe P works alone it can fill the tank at the rate of 150 liters per hr. Similarly, if Pipe Q is working alone it can fill the tank in 12 hrs. Now determine the capacity of the tank.

4200 litres

4200 litres

3750 litres

3750 litres

5000 litres

5000 litres

8000 litres

8000 litres

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Question 4

Time: 00:00:00
I have two inlet pipes in my tank. Pipe P is diametrically bigger than Q and can fill a tank alone in 22 hours while Pipe Q takes 11 hours longer than Pipe P to fill the tank. If I open both the inlet pipes together, how long will they take to fill the tank?

19/22 hours

19/22 hours

(12/11) hrs

(12/11) hrs

66/5 hrs

66/5 hrs

18 hours

18 hours

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Question 5

Time: 00:00:00
Pipe A takes 38 hours to fill a tank alone while Pipe B takes half the time taken by Pipe A to fill the same tank alone. The leakage C can empty the entire tank in 133 hours. How many hours will it take to fill the tank if Pipe A and B are opened together and leakage C is also allowed to empty the tank simultaneously?

14 hours

14 hours

19 hours

19 hours

28 hours

28 hours

95 hours

95 hours

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Question 6

Time: 00:00:00
Pipe P can fill a cement tank in 24 hours. However, there is a leakage at the bottom of the tank due to which the Pipe P takes 12 hrs longer and fills it in 36 hours. How long would this leakage take to empty the entire tank?

48 hours

48 hours

60 hours

60 hours

72 hours

72 hours

96 hours

96 hours

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Question 7

Time: 00:00:00
Tap B is 5 times slower than Tap A in filling the same tank. Also tap B takes 32 minutes more than Tap A to fill the same tank completely. How long will the tank take to get full, if both the taps are opened simultaneously?

5/32 mins

5/32 mins

32/5 mins

32/5 mins

32/3 mins

32/3 mins

20/3mins

20/3mins

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Question 8

Time: 00:00:00
There are two inlets and one outlet to a tank. Inlet A and B take 1.5 hours and 2 hours respectively to fill the tank. While outlet C can empty the entire tank in 30 minutes. The gardener decides to open Inlet A at 8 am when he arrives on duty and Inlet B one hour later. Outlet C is opened at 10 am. What will be the time by his watch when the tank will be entirely empty again?

11.50 pm

11.50 pm

11.23 pm

11.23 pm

12.12 pm

12.12 pm

12.13 pm

12.13 pm

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Question 9

Time: 00:00:00
Time taken by Pipe P to fill the tank is 7.5 hrs. Time taken by pipe Q to empty the tank is 15.5 hrs. Now if we open both the pipes simultaneously, how much part of the tank can be filled in 1 hr?

7/115.75 part

7/115.75 part

1/116 th part

1/116 th part

8/116.25 part

8/116.25 part

1/315 part

1/315 part

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Question 10

Time: 00:00:00
A tap having a diameter(d) can empty a tank in 84 min. How long another tap having diameter '2d' take to empty the same tank?

21

21

42

42

168

168

136

136

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