39 persons working 5 hours a day can repair road in 12 days. in how many days will 30 person working 6 hours a day complete the work
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Let no of days in which 30 persons working 6 hours a day be= T
As it is inverse variation
therefore,
39*5*12 = 30*6*T
T = 39*5*12 / 30*6
T = 13
As it is inverse variation
therefore,
39*5*12 = 30*6*T
T = 39*5*12 / 30*6
T = 13
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