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A can lay railway track between two give...

A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With the help of C, they did the job in 4 days only Then C alone can do the job in:

A

`9 1/5 ` days

B

`9 2/5 ` days

C

`9 3/5` days

D

10 days

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The correct Answer is:
C
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MAHENDRA-TIME AND WORK -EXERCISES
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  2. A man can do a piece of work in 5 days, but with the help of his son h...

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  3. A can lay railway track between two given stations in 16 days and B ca...

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  4. A takes twice as much time as B and thrice as much time as C finish a ...

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  5. Mohan and Sohan are working on a assignment. Mohan takes 6 hours to ty...

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  6. Two workers A and B are engaged to do a piece of work. A working alone...

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  7. P can complete a work in 12 days working 8 hours a day. Q can complete...

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  8. A and B can do a work in 12 days, B and C in 15 days, C and A in 20 da...

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  10. A and B can do a piece of work in 5 days, B and C can do it in 7 days ...

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  11. A can do a piece of work in 4 hours: B and C can do it in 3 hours. A a...

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  12. A can do a certain work in the same time in which B and C together can...

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  13. A Works twice as fast as B. If B can complete a work in 12 days indepe...

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  14. A is 30% more efficient than B. How much time will they, working toget...

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  15. A does half as much work as B in three-fourth of the time. If together...

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  16. A can finish a work in 18 days and B can do the same work in 15 days. ...

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  17. Ram and Mohan can complete a work in 15 days and 10 days respectively....

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  18. A can finish a work in 24 days, B in 9 days and C in 12 days. B and C ...

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  19. Machine P can print one lakh books in 8 hours, machine Q can print the...

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  20. A and B can do a piece of work in 30 days while B and C can do the sam...

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