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Pipe A basically used as inlet pipe and ...

Pipe A basically used as inlet pipe and pipe B is used as outlet pipe. Pipes A and B both are opened simultaneously, all the time. When pipe A fills the tank and B empty the tank, it will take double the time than when both the pipe, fill the tank. When pipe B is used for fillng the tank, its efficiency remains constant. What is the ratio of efficiency of pipe A and pipe B respectively?

A

`3:1`

B

`5:2`

C

`1:3`

D

`3:2`

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The correct Answer is:
A
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ARIHANT SSC-TIME AND WORK-EXERCISE(LEVEL 1)
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  4. B and C are equally efficient, but the efficiency of A is half of each...

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  6. A can do a piece of work in 2 hours, B can do thrice the work in 8 hou...

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  7. A is twice efficient as B and together they do the same work in as muc...

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  8. 4 men and 2 boys can finish a piece of work in 5 days. 3 women and 4 b...

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  9. If m men can do a work in r days, then the number of days taken by (m+...

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  10. Pipe A can fill a tank in 36 minutes and pipe B can fill it in 45 minu...

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  11. Tap A can fill the empty tank in 12 hours, but due to a leak in the bo...

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  12. Pipe A and B can fill a cistern in 10 hours and 15 hours Respectively....

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

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  14. Tap a fills a tank in 10 hours and B can fill it in 15 hours. Both are...

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

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  16. If one pipe A can fill a tank in 20 minutes, then 5 pipes, each of 20%...

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  17. Pipe A basically used as inlet pipe and pipe B is used as outlet pipe....

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  18. Pipe A can fill the tank in 4 hours, while pipe B can fill it in 6 hou...

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  19. Two pipes A and B can fill a cistern in 15 Fours and 10 hours respecti...

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  20. Pipe A can fill an empty tank in 30 hours while B can fill it in 45 ho...

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