By selling a book for Rs. 360,20 % profit was earned. CP of book in Rs. ?

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7.Profit and Loss

easy

By selling a book for $Rs.$ $360,20 \%$ profit was earned. What is the $CP$ of the book in $Rs.$?

A

$300$

B

$200$

C

$250$

D

Cannot be determined

Solution

Here, profit$\%$ $=20 \%$

$\Rightarrow P \%=\left[\frac{ SP – CP }{ CP }\right] \times 100 \% \Rightarrow \frac{20}{100}=\frac{360- CP }{ CP }$

$\Rightarrow C P=R s .300$

Standard 13

Quantitative Aptitude

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