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A is thrice as fast as B. If B can do a ...

A is thrice as fast as B. If B can do a piece of work in 60 days, the number of days they take to complete the work is ……..

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The correct Answer is:
15 days
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PEARSON IIT JEE FOUNDATION-TIME AND WORK PIPES AND CISTERNS-TEST YOUR CONCEPTS (Very Short Answer Type Questions)
  1. X and Y can do a piece of work in 20 days and 30 days respectively. Th...

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  2. A can-do 1/3rd of work in 12 days. Then A can do 3/4th of work in …………...

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  3. A is thrice as fast as B. If B can do a piece of work in 60 days, the ...

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  4. A is thrice as good workman as B. The ratio of work done by A and B in...

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  5. Pipe X can fill a tank in 30 minutes and pipe Y can empty it in 20 min...

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  6. A pipe can fill a tank in 4 hours and another pipe can empty the same ...

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  7. A,b and C can do a piece of work in 3,4 and 6 days respectively. The r...

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  8. A is twice as fast as B and together they can complete a work in 20 da...

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  9. If 6 boys can eat 6 apples 6 minutes then, 3 boys can eat 3 apples in ...

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  10. Working together, X and Y can do a piece of work in 12 days, Y and Z ...

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  11. A and B can do 1/2 and 2/3rd parts of a work in a given time. The rati...

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  12. In a unit time, the work done by 3 men and 5 women is equal to the wor...

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  13. A can type 30 words in 1 minutes and B can type 20 words in 1 minute. ...

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  14. Twelve men can make 24 articles in 6 days. How many articles can 3 men...

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  15. In a unit time, the work done by 3 men is equal to the work done by 6 ...

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  16. X can knit 60 baskets in 8 day with the help of Y, who is having the s...

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  17. X, Y and Z can complete a piece of work in 10 days. X and Y can do it ...

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  18. A can complete a piece of work working along with B in 20 days. If he ...

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  19. Tap A can fill a tank of 1000 litres capacity in 14 hours. It can fill...

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  20. X persons can complete a work in Y days. Then, 3X persons can complete...

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