1. ‘A’ bought a certain quantity of oranges at total cost of Rs. 1200. He sold 1/3rd of those oranges at 20% loss. If A earns an overall profit of 10%, at what percent profit did A sell the rest of the oranges ?
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By: anil on 05 May 2019 01.36 am
let the cost of each orange be y Rs and number of oranges be z So yz = 1200 he sold 1/3rd of oranges at 20% loss so total selling cost = $$frac{z}{3} imes(0.8y)$$ over all profit is 10%. and assume that remaining oranges are m % profit . so, $$frac{z}{3} imes(0.8y)$$ + $$frac{2z}{3} imes(y + ym/100)$$ = 1.1zy
0.267zy + 0.66zy + (0.66zmy/100) = 1.1zy 0.66zmy/100 = 0.17 zy m = 26 %
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0.267zy + 0.66zy + (0.66zmy/100) = 1.1zy 0.66zmy/100 = 0.17 zy m = 26 %