then ne round tnat eacn cycle wa.8. By selling 200 books, a man gains – InterviewSolution

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1.	then ne round tnat eacn cycle wa.8. By selling 200 books, a man gains the selling price of 400 books. Find his gain percent.ОТЕne gains 10% what will be the gain percent if sold for double
Answer» 200S.P.=400C.P.S.P.=2C.P.so it is gainand gain percentage=(S.P.-C.P.)/C.P.100=(2C.P.-C.P.)/C P.100=100%

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