Gujarati
Hindi
7.Profit and Loss
medium

A shopkeeper listed the price of goods at $30 \%$ above the cost price. He sells half the stock at this price, one fourth of the stock at a discount of $15 \%$ and the remaining at $30 \%$ discount. His overall profit is.......$\%$

A

$15 \frac{3}{8}$

B

$15$

C

$-15 \frac{3}{5}$

D

$15 \frac{2}{3}$

Solution

Let the number of items $=4$

$C.P.$ of each $=100 x$

Mark$-$up $=30 \%(100 x)=30 x$

$M.P.$ $=100 x+3 x=130 x$

$\therefore$ $S.P.$ of first $2$ items $2$ box

For first $2$ items, $S.P. =130 x \times 2=260 x$

$3^{\text {rd }}$ item, discount $=15 \%=15 \%(130 x)=19.5 x$

$\therefore$ $S.P.$ of $3^{\text {rd }}$ item $=130 x-19.5 x=110.5 x$

Discount for last item $=30 \%(130 x)=39 x$

$S.P.$ of last item $=130 x-39 x=91 x$

Total $S.P.$ $=260 x+110.5 x+91 x=461.5 x$

Total $CP .=400 x$

Profit $\%=\frac{461.5 x-400 x}{400 x} \times 100=\frac{123}{8}=15\frac{3}{8} \%$

Standard 13
Quantitative Aptitude

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