Question

The Cp of an article is increased by 15 % and then 5% discount is given on it. what is the profit per cent. ?

Answer 1

given :

cost price is increased by 15 %

discount of 5 % was given

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let ,

the CP of that article :

100 x rs

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1. 15 % price was increased

$\frac{15}{100} \times 100x \\ \\ 15x$
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increased price :

CP + increased price

$100x + 15x \\ \\ 115x$
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discount given :

$\frac{5}{100} \times 115x \\ \\ 5.75x$
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decreased price :

( selling price )

$115x - 5.75x \\ \\ 109.25x$

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profit :

sp - CP

109.25 x - 100 x

9.25 x

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profit %

$\frac{profit}{cp} \times 100$

$\frac{9.25x}{100x} \times 100 \\ \\\bold{ 9.25 \: \% }$

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