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If 10 people can do a job in 20 days, th...

If 10 people can do a job in 20 days, then 20 people with twice the efficiency can do the same job in

A

5 days

B

10 days

C

20 days

D

40 days

Text Solution

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The correct Answer is:
A
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KIRAN PUBLICATION-TIME AND WORK-TYPE-IV
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  5. If 10 people can do a job in 20 days, then 20 people with twice the ef...

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  6. Manoj can do a piece of work in 42 hours. If he is joined by Jayshree ...

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  7. A is 1.5 times efficient than B therefore takes 8 days less than B to ...

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

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  9. A is 20% more efficient than B.B can do a piece of work in 20 days. In...

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  10. P is 20% more efficient than Q. If Q alone can finish a work in 10 day...

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  11. S, T and U together can complete a work in 30 days. If the ratio of ef...

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  12. C is 5 times as productive as B. A takes 60 days to complete a task. ...

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  13. A can complete 50% of a job in 9 days and B can complete 25% of the jo...

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  14. A, B and C together can complete a work in 25 days. If the ratio of ef...

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  15. R is 80% more efficient than S. If S alone can make a book in 90 days,...

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  16. To complete a wall, X takes 20% more time than Y. If together they com...

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  17. Mohit is five times more efficient as Rohit. If Mohit can complete a p...

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  18. Rama and Hari together can do a work in 15 days. Rama is twice as effi...

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  19. The efficiencies of A, B and C are in the ratio 2 : 5 : 7 working toge...

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  20. The ratio of the efficiencies of A, B and C is 2 : 5 : 3. Working toge...

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