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A contractor calculated that he could fi...

A contractor calculated that he could finish the construction of a road in 40 working days. He knew appointed 32 people and made them work for 6 hours a day for 5 days in a week, the work would finish But he could arrange for only 20 workers. He decided to make them work for 8 hours a day for 6 days a week Will they complete the work in time? If not, how many more days will they take?

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