A person sells two articles, each for Rs.,1040. He incurs 20 % loss on first and 10 % loss on second

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7.Profit and Loss

hard

A person sells two articles, each for $Rs.\,1040.$ He incurs $20 \%$ loss on the first and $10 \%$ loss on the second. Find out overall percent loss.

A

$12 \frac{5}{17}$

B

$15 \frac{5}{17}$

C

$13 \frac{3}{4}$

D

None of these

Solution

We have, $x=-20$ and $y=-10$.

$\therefore \quad$ Overall gain$/$loss

$=\left[\frac{100(-20-10)+2 \times-20 \times-10}{(100-20)+(100-10)}\right] \%$

$=-\frac{2600}{170} \%$

$=-15 \frac{5}{17} \%$

which represents loss being a negative expression.

Standard 13

Quantitative Aptitude

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