1. A sold a watch at a gains of 5% to B and B sold it to C at a gain of 4%. If C paid Rs. 91 for it, the price paid by A is:
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By: anil on 05 May 2019 02.28 am
Let cost price for A = Rs. $$100x$$
Profit % = 5% => Selling price for A = $$100x+(frac{5}{100} imes100x)=Rs.$$ $$105x$$ Thus, cost price for B = Rs. $$105x$$ Profit % = 4% => Selling price for B = $$105x+(frac{4}{100} imes105x)=Rs.$$ $$109.2x$$ According to ques, => $$109.2x=91$$ => $$x=frac{91}{109.2}=0.8333$$ $$ herefore$$ Price paid by A = $$100 imes0.8333=Rs.$$ $$83.33$$ => Ans - (A)
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Profit % = 5% => Selling price for A = $$100x+(frac{5}{100} imes100x)=Rs.$$ $$105x$$ Thus, cost price for B = Rs. $$105x$$ Profit % = 4% => Selling price for B = $$105x+(frac{4}{100} imes105x)=Rs.$$ $$109.2x$$ According to ques, => $$109.2x=91$$ => $$x=frac{91}{109.2}=0.8333$$ $$ herefore$$ Price paid by A = $$100 imes0.8333=Rs.$$ $$83.33$$ => Ans - (A)