Question

39 persons can repair a road in 12 days workibg 5 hours a day .In how many days will 30 persons ,working 6 hrs a day,complete the work.
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Answer 1

Answer:

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

Step-by-step explanation:

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