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Question-126655




Question Number 126655 by zakirullah last updated on 23/Dec/20
Answered by physicstutes last updated on 23/Dec/20
 So he is selling at Rs 2000( SP) and he gives his customers 20% discount.  let the cost price of his good (CP) = x   %profit = ((actual profit)/(CP))×100%  actual profit = SP − CP = 2000 −x  ⇒ 25 = ((2000−x)/x) × 100 .......(i)       25x = 200000−100x   x_1  = Rs 1600                 = CP
$$\:\mathrm{So}\:\mathrm{he}\:\mathrm{is}\:\mathrm{selling}\:\mathrm{at}\:\mathrm{Rs}\:\mathrm{2000}\left(\:\mathrm{SP}\right)\:\mathrm{and}\:\mathrm{he}\:\mathrm{gives}\:\mathrm{his}\:\mathrm{customers}\:\mathrm{20\%}\:\mathrm{discount}. \\ $$$$\mathrm{let}\:\mathrm{the}\:\mathrm{cost}\:\mathrm{price}\:\mathrm{of}\:\mathrm{his}\:\mathrm{good}\:\left(\mathrm{CP}\right)\:=\:{x} \\ $$$$\:\%\mathrm{profit}\:=\:\frac{\mathrm{actual}\:\mathrm{profit}}{\mathrm{CP}}×\mathrm{100\%} \\ $$$$\mathrm{actual}\:\mathrm{profit}\:=\:\mathrm{SP}\:−\:\mathrm{CP}\:=\:\mathrm{2000}\:−{x} \\ $$$$\Rightarrow\:\mathrm{25}\:=\:\frac{\mathrm{2000}−{x}}{{x}}\:×\:\mathrm{100}\:…….\left(\mathrm{i}\right)\:\:\:\: \\ $$$$\:\mathrm{25}{x}\:=\:\mathrm{200000}−\mathrm{100}{x} \\ $$$$\:{x}_{\mathrm{1}} \:=\:\mathrm{Rs}\:\mathrm{1600}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:=\:\mathrm{CP}\:\:\:\:\: \\ $$
Commented by zakirullah last updated on 23/Dec/20
a boundle of thanks
$$\boldsymbol{{a}}\:\boldsymbol{{boundle}}\:\boldsymbol{{of}}\:\boldsymbol{{thanks}} \\ $$

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