Question

A trader mixes two varieties of coffee worth rs 160 per kg and 220 per kg and sells the mixture 189.20 per kg and makes a profit of 10%.In what proportion are the two varieties mixed.​

Answer 1

Answer:

Since selling at 189.20 per kg yeilds 10% profit, the cost shall be = 189.20*100/110 i.e. 172 per kg. So the variant mix is 0.8 kg of coffee worth 160 per kg and 0.2 kg of coffee worth 220 per kg for every kilogram of coffee sold by the merchant.