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Twenty men can lay a road off 50 km long...

Twenty men can lay a road off 50 km long in 10 days. In how many days can 15 men lay a road of 75 km long?

A

10 days

B

20 days

C

30 days

D

40 days

Text Solution

Verified by Experts

The correct Answer is:
B
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PEARSON IIT JEE FOUNDATION-RATIO, PROPORTION AND VARIATION-CONCEPT APPLICATION
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  2. Given that x varies directly with the square of y. when x is 2,y is al...

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  4. Fifteen men take 30 days to complete a piece of work, working 8 hours ...

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  8. if (2x+1):(5x-1) is the triplicate ratio of 3:4, then find the value o...

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  9. If A:B=3:2, B:C=4:3 and C:D=3:5, then divide Rs 360 among A,B,C and D....

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  10. If x:15=y:6, then find the value of (x+y)/(x-y) The following proble...

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  11. if two numbers are in the ratio (1)/(15):(1)/(20), then by what percen...

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  12. If the compound ratio of 9:x and (x+1):15 is 4:5, then find the ratio ...

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  13. if the ratio of the ages (in years) of x and y, 6 years ago was 9:8 th...

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  14. Which of the followin ratios are in descending order?

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  15. The monthly earnings and expenditures of A and B are in the ratio 5:7 ...

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  18. The present ages of Aruna and Karuna are in the ratio 6:5. if the diff...

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  19. If (Px)/((b-c))=(Qy)/((c-a))=(Rz)/((a-b)), then find Pax+Qby+Rcz.

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