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- Quantitative Aptitude
7.Profit and Loss
medium
Charging $30 \%$ above its production cost a radio maker puts a label of $Rs.\, 286$ on a ratio as its price. But at the time of selling it, he allows $10 \%$ discount on the labeled price. What will his gain be? (in $Rs.$)
A
$198$
B
$37.40$
C
$257.40$
D
$254.40$
Solution
$MP.$ $=₹ 286$
Discounted amount $=10 \%(286)=28.6$
$S.P.$ $=286-28.6=257.4$ ₹
Let $C.P.$ $=x$
Mark$-$up $\%=30 \%$
$\Rightarrow \frac{286-x}{x} \times 100=30$
$13 x=2860 \Rightarrow x=220$
Profit $=\operatorname{S.P.}- C.P.$
$=257.4-220=Rs.37.4$
Standard 13
Quantitative Aptitude