In what proportion must wheat at Rs. 15 per kg. be mixed with wheat at Rs. 18 per kg. So that the mixture will be worth Rs. 17 per kg. ?
Answer: B
Wheat/Rs. 15 per kg.
Wheat/Rs. 18 per kg.
For the mixture to be worth Rs. 17 per kg. The ratio should be:
(18 – 17) : (17 – 15)
1 : 2