Question

39 person can repair a road in 12 days working 5 hours per day. in how many days will 30 person working 6 hours per day compete the work? ​

Answer 1

Answer: 36Q:39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?A) 10B) 13C) 14D) 15Answer: B) 13 Explanation:Let the required number of days be x.Less persons, More days (Indirect Proportion)More working hours per day, Less days (Indirect Proportion)Persons30:39Working hours/day6:5}⋮⋮ 12:x => 30 * 6 * x = 39 * 5 * 12 => x=13

Answer 2

Answer:

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