eling picof 10 pen its is equal to the cont price of 12 peneils then t – InterviewSolution

1.	eling picof 10 pen its is equal to the cont price of 12 peneils then the gain percent isnd17)5) d
Answer» 10SP=12CPCP=5/6SP so SP=6/5CPso gain=(6/5CP-CP)/CP=1/5*100=20%

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