# Quiz – 1

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Question 1

Time: 00:00:00
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 ?

5 mins

5 mins

15 mins

15 mins

12 mins

12 mins

22 mins

22 mins

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Question 2

Time: 00:00:00
A cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours. If both the taps are opened simultaneously, then after how much time cistern will get filled ?

7.21 hours

7.21 hours

7.5 hours

7.5 hours

7.2 hours

7.2 hours

7.8 hours

7.8 hours

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Question 3

Time: 00:00:00
A tap can fill a tank in 6 hours. After half the tank is filled then 3 more similar taps are opened. What will be total time taken to fill the tank completely.

3 hours 35 mins

3 hours 35 mins

3 hours 25 mins

3 hours 25 mins

3 hours 15 mins

3 hours 15 mins

3 hours 45 mins

3 hours 45 mins

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Question 4

Time: 00:00:00
A water tank is two-fifth full. Pipe A can fill a tank in 10 minutes and pipe B can empty in 6 minutes. If both the pipes are open, how long will it take to empty or fill the tank completely ?

6mins

6mins

4mins

4mins

2mins

2mins

5mins

5mins

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Question 5

Time: 00:00:00
Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many hours will the tank be filled ?

1.5 hours

1.5 hours

2 hours

2 hours

2.5 hours

2.5 hours

3 hours

3 hours

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Question 6

Time: 00:00:00
A leak in the bottom of a tank can empty the full tank in 6 hours. An inlet pipe fills water at the rate of 4 litres a minute. When the tank is full, the inlet is opened and due to the leak the tank is empty in 8 hours. The capacity of the tank (in litres) is

2540

2540

5440

5440

5760

5760

1250

1250

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Question 7

Time: 00:00:00
A tank can be filled by a tap in 20 minutes and by another tap in 60 minutes. Both the taps are kept open for 10 minutes and then the first tap is shut off. After this, the tank will be completely filled in what time ?

10

10

50

50

20

20

40

40

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Question 8

Time: 00:00:00
A cistern can be filled in 9 hours but due to a leak at its bottom it takes 10 hours. If the cistern is full, then the time that the leak will take to make it empty will be ?

40 hours

40 hours

60 hours

60 hours

90 hours

90 hours

80 hours

80 hours

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Question 9

Time: 00:00:00
Taps A and B can fill a bucket in 12 minutes and 15 minutes respectively. If both are opened and A is closed after 3 minutes, how much further time would it take for B to fill the bucket?

8 min 15 sec

8 min 15 sec

7 min 15 sec

7 min 15 sec

6 min 15 sec

6 min 15 sec

5 min 15 sec

5 min 15 sec

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Question 10

Time: 00:00:00
A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. Find the time required by the first pipe to fill the tank ?

18 hrs

18 hrs

15 hrs

15 hrs

20 hrs

20 hrs

22 hrs

22 hrs

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