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A grocer buys eggs at 10 for Rs 8 and sells at 8 for Rs 10. Find his profit or losa per cent.7. 22 balls each costing Rs 35 are sold for R: 710. Find the profit or loss per cent |
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Answer» 10 egg CP = ₹81egg cp= 8/10= ₹ 0.8 per egg8 egg cp= .8×8=6.4₹8 egg sp= ₹10profit= sp - cp = 10-6.4 = 3.6%profit= profit×100/cp = 3.6×100/6.4 = 56.25% cp of 10 eggs=Rs8cp of 1 egg =Rs8/10sp of 8 egg= Rs 10sp of 1 egg= Rs10/8Profit=sp-cp =10/8-8/10 =(100-64)/80 =36/80profit%=(profit/cp)x100=(36/80)/(8/10)x100=(36x8x100)/(80x10)=36% |
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