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- Quantitative Aptitude
7.Profit and Loss
easy
A trader marked his goods at $20 \%$ above the cost price. He sold half the stock at the marked price, one quarter at a discount of $20 \%$ on the marked price and the rest at a discount of $40 \%$ on the marked price. His total gain is.......$\%$
A
$2$
B
$4.5$
C
$13.5$
D
$15$
Solution
Marked price $=1.2 \times$ $C.P.$
Total $S.P.$ $=\frac{1}{2} \times(1.2 \times$ C.P. $)+\frac{1}{4} \times 0.8 \times 1.2 \times$ C.P. $+\frac{1}{4} \times 0.6 \times 1.2 \times$ $C.P.$
$=(0.6+0.24+0.18) C.P. =1.02 C.P.$
$\therefore \quad$ Total gain $=2 \%$
Standard 13
Quantitative Aptitude
