A sells an article to B at a profit of 20 % and B sells it to C at a loss of 10 % . If C pays Rs.,54

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7.Profit and Loss

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A sells an article to $B$ at a profit of $20 \%$ and $B$ sells it to $C$ at a loss of $10 \% .$ If $C$ pays $Rs.\,540$ for it, at what price did A buy?

A

$400$

B

$500$

C

$600$

D

$700$

Solution

In the transaction there is a profit of $20 \%$ and a loss of $10 \%$

$B'$s cost price $=540 \times \frac{100}{90}=Rs. 600$

$A'$s cost price $=600 \times \frac{100}{120}=Rs. 500$

Standard 13

Quantitative Aptitude

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