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A tank of capacity 25 litres has an inle...

A tank of capacity 25 litres has an inlet and an outlet tap. If both are opened simultaneously, the tank is filled in 5 minutes. But if the outlet flow rate is doubled and taps opened the tank never gets filled up. Which of the following can be outlet flow rate in liters/min?

A

2

B

6

C

4

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
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DISHA PUBLICATION-TIME AND WORK-Practice Exercise (Expert Level)
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  4. It takes 30 hours for an inlet pipe to fill an empty tank completely. ...

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  9. A cistern has a leak which would empty it in 6 hours. A tap is turned ...

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  10. Tap A can fill a tank in 20 hours, B in 25 hours but tap C can J empty...

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  11. Each of A, B and C need a certain unique time to do a certain work. C ...

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  12. Two men and a woman are entrusted with a task. The second man needs th...

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  13. Two pipes A and B can fill a cistern in 15 hours and ’10 hours respect...

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  14. Working together B and C take 50% more number of days than A,B and C t...

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  15. Eklavya can do the 6 times the actual work in 36 days while Faizal can...

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  16. Sixty-four men working 8 h a day plan to complete a piece of work in 9...

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  17. 4 pipes each of 3 cm diameter are to be replaced by a single pipe disc...

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  18. A can do a job in 3 days less time than B. A works at it alone for 4 d...

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  19. Water flows at 3 metres per sec through a pipe of radius 4 cm. How man...

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  20. A ship 55 km from the shore springs a leak which admits 2 tonnes of wa...

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