30 persons can reap a field in 17 days. How many more persons should be engaged to reap
the same field in 10 days?
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Step-by-step explanation:
∵30 persons can reap a field in 17 days. 1 person can reap the same field in 30×17 i.e. 510 days. In 10 days, the number of persons required = 510/10 = 51 persons
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