Stickers are bought at 11 for £10&sold at 10 for £11.find the profit percent.
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Answer:
cost price of 11 sticker =rs10
cost price of 1 sticker =10/11
therefore cost price of 10 stickers:
=rs10/11×10
selling price of 10 stickers =rs11
therefore profit =sp - cp
=rs11=100/11
=(121 - 100)/11=21/11
therefore profit percent =p/cp×100=21/11
÷100/11 ×10=21%
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