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- Quantitative Aptitude
7.Profit and Loss
easy
A shopkeeper purchased a chair marked at $RS.\, 600$ at two successive discounts of $15 \%$ and $20 \% .$ He spent $Rs.\, 28$ on transportation and sold the chair for $Rs.\,545.$ His gain percent was
A
$25$
B
$30$
C
$35$
D
$20$
Solution
$C.P.$ of the chair $=\left(600-\frac{600 \times 15}{100}\right) \times \frac{80}{100}$
$=\frac{510 \times 80}{100}=₹ 408$
Actual $C.P.$ $=₹(408+28)=₹ 436$
Gain percent $=\frac{545-436}{436} \times 100=25 \%$
Standard 13
Quantitative Aptitude