- A1:3
- B3:1
- C1:2
- D2:3
Step-by-Step Solution
Cost price of the mixture = 99 ÷ 1.1 = ₹90 per kg. By alligation, (96 − 90) : (90 − 72) = 6 : 18 = 1 : 3.
Answer: A) 1:3
Two varieties of coffee cost ₹72 and ₹96 per kg. A trader mixes them and sells the mixture at ₹99 per kg, making a 10% profit. In what ratio (cheaper : dearer) did he mix them?
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