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P sold a pen each to Q and R at 10% and 20% profits, respectively. Q sold pen to S at 15% profit. At what profit should R sell the pen to S so that S would have bought both pens at same price? (in %)1). 5.422). 6.163). 6.674). 7.2 |
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Answer» <P>P sold a pen each to Q and R at 10% and 20% PROFITS, respectively. We know, Selling PRICE = Cost Price × (1 + Profit Percentage/100) Cost price for S from Q = Cost price of P × (1 + 10/100) × (1 + 15/100) = 1.265 × cost price of P For R to sell to S at same price, let profit percentage be T%. ⇒ Cost price of P × (1 + 20/100) × (1 + T/100) = 1.265 × cost price of P ⇒ T = 5.42 ∴ Profit should be 5.42%. |
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