For 400 persons? 7. A contractor who had a work-force of 560 persons – InterviewSolution

1.	For 400 persons? 7. A contractor who had a work-force of 560 persons, undertook to complete a portion of astadium in 9 months. He was asked to complete the job in 7 months. How many extra personshad he to employ?to herage speed of 12 km/h. It takes her 20 minutes to reach
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