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If the cost price of 10 greeting cards is equal to the selling price of 8 greeting cards,find the gain or loss per cent. |
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Answer» Cp of 10 greeting cards = Sp of 8 greeting cardsLet cp of 1 greeting card be Rs 1Therefore, cp of 10 greeting cards = Rs 10Cp of 10 greeting cards= Sp of 8 greeting cards = Rs 10Sp of 8 greeting cards= Rs 10So, sp of 1 greeting card =Rs 10/8So, Sp is greater than cp,Therefore, profit = sp-cp = 10/8 - 1 = 10/8-8/8 = 2/8Profit % = profit/cp into 100 = 2/8 / 1 into 100 = 25% |
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