'A ^{prime} sells a good to 'B ^{prime} at a profit of 10 % and B sells it to 'C ^{prime

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7.Profit and Loss

medium

$'A ^{\prime}$ sells a good to $'B ^{\prime}$ at a profit of $10 \%$ and $B$ sells it to $'C ^{\prime}$ at a profit of $20 \% .$ Find out the resultant profit. (in $Rs.$)

A

$35$

B

$20$

C

$32$

D

None of these

Solution

We have, $m=10, n=20$.

$\therefore \quad$ Resultant profit $\%=\left(m+n+\frac{m n}{100}\right)$

$=\left(10+20+\frac{10 \times 20}{100}\right)$

$=32 \%$

Standard 13

Quantitative Aptitude

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