If 70 men can work in 35 days, 40 men complete this work in days?
- 40
- 50
- 61.25
- 80.50
Explanation
Find how many man-days to complete the road:
70*35 = 2450 man-days
Let d = days required for 40 men to do it.
40d = 2450
d=402450=61.25
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