Ravi gets 20 %profit by selling an article for 240 find CP when he sells it to gain 10 %profit.
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sp = 240
gain% = 10%
cp= ?
cp =[100\100+p%]
100/100+10
100/120
5/6
gain% = 10%
cp= ?
cp =[100\100+p%]
100/100+10
100/120
5/6
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