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Question
A trader mixes 200 kg of sugar at Rs.18 per kg with 100kg of sugar at Rs.22 per kg. He then sells the sugar at Rs.20 per kg. Find his profit percent.
Solution
C.P. of 200 kg sugar
= Rs.(18 x 200)
= Rs.3600
C.P. of 100 kg sugar
= Rs.(22 x 100)
= Rs.2200
∴ C.P. of 300 kg sugar
= Rs.(3600 + 220)
= Rs.5800
S.P. of 300 kg sugar
= Rs.(20 x 300)
= Rs.6000
As S.P. > C.P., so there is a profit
∴ Profit
= S.P. - C.P.
= Rs.(6000 - 5800)
= Rs.200
Profit %
= `"Profit"/"C.P." xx 100`
= `(200)/(5800) xx 100`
= 3.44%.
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