One quality of wheat at Rs. 8.50 per kg is mixed with another quality at a certain rate in the ratio 4 : 5, if the mixture so formed be worth Rs. 10 per kg, what is the rate per kg of the second quality of wheat ?
Options
- Rs.11. 4
- Rs. 11. 53
- Rs. 11. 20
- Rs. 11. 43
CORRECT ANSWER : Rs. 11. 20
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