Question
A man purchased 40 kg of cotton at a rate of Rs 65 per kg. then he extracted 20% waste(by weight) from it so that the quality of the cotton improved and he was able to sell them at Rs.80 per kg. Also the waste had 60% cotton seed by weight which he was able to sell Rs.20 per kg. what % profit did he make?
Answer: Option D
:
D
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D
wt = 40 kg
cost = Rs.65/kg
Total cost =40×65
= Rs 2600
SP →
wt after 20% is extracted
⇒ 32 kg
Selling cost = 32 × 80
= Rs 2560
60% of waste =60100×8=4.8kg
selling price =4.8×20
= 96
Total price = 2656
Profit =562600×100=2.15%
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