The cost price of 10 article is jual to be selling price or articles, find the profit percent
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Answer:
CP of 1 article is x.
CP of 10 articles is 10x=SP of 9 articles.
CP of 9 articles =9x
Profit=SP−CP
=10x−9x=x
Profit(%)=
CP
profit
×100
=11 9 /1 %
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