A contractor undertook to built a road in 100 days he employed 110 men.After 45 days ,he found that 1/4 work done , how many men required to to work in time
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men Days. Completion
110. 45. I/4
x. 55..... 3/4
x = Total men required
x = 3/4x4 / Ix45/55x110=270
Extra men=270-110 = 160
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