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The ratio of the efficiencies of A, B, C...

The ratio of the efficiencies of A, B, C is 7:5:4. Working togehter, they can finish a work in 35 days. A and B work together for 28 days. The remaining work will be completed (in days) by C alone.

A

56

B

63

C

49

D

60

Text Solution

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The correct Answer is:
A
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GAGAN PRATAP -TIME & WORK-TIME & WORK (SHEET-2)
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  12. A can work 7/9 as fast as B and C together. A and B together can work ...

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  13. A, B and C together can complete a work in 40 days. (A+B) can complete...

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  14. A and B. working together, can complete a work in 16 days, C and A tog...

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  15. Ram completed 60% of a task in 15 days and then takes the help of Rahi...

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  16. B and C together takes 33(1)/(3)% more time as compared to the time ta...

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  17. Three workers A, B and C working together completed a job in 10 days. ...

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

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  19. When they work alone, B needs 25% more time to finish a job than A doe...

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  20. A, B and C together can finish a task in 7.5 days. C is thrice as prod...

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