A, B and C rent a pasture. If A puts 10 oxen for 7 months, B puts 12 oxen for 5 months and C puts 15 oxen for 3 months for grazing and the rent of the pasture is Rs. 105, then how much amount should C pay as his share of rent? Pick: A) 35 B) 27 C) 25 D) 15 E) 55
A : 27 : C   =10×7:12×5:15×3   =2×7:12×1:3×3   =14:12:9   Amount that C should pay   =105×9/35=3×9=27   Answer is 27.
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A, B and C rent a pasture. If A puts 10 oxen for 7 months, B puts 12 oxen for 5 months and C puts 15 oxen for 3 months for grazing and the rent of the pasture is Rs. 105, then how much amount should C pay as his share of rent?