A, B, C rent a pasture. A puts 10 oxen for 7 months, B puts 12 oxen for 5 months and C puts 15 oxen for 3 months for grazing. If the rent of the pasture is Rs. 175, how much must C pay as his share of rent?
Choose the correct choice from the following choices.
A) 45 B) 23 C) 38 D) 27 E) 28
Explanation:   A:B:C = (10×7):(12×5):(15×3)   = 70 :60 :45   = 14 :12 :9   C's rent = Rs.(175×9/35)   =Rs. 45.   Answer: A) Rs. 45
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A, B, C rent a pasture. A puts 10 oxen for 7 months, B puts 12 oxen for 5 months and C puts 15 oxen for 3 months for grazing. If the rent of the pasture is Rs. 175, how much must C pay as his share of rent?