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7.Profit and Loss
easy
The cost price of an article is $80 \%$ of its marked price for sale. How much percent does the tradesman gain after allowing a discount of $12 \% ?$
A
$20$
B
$12$
C
$10$
D
$8$
Solution
Let, the marked price be $Rs.100$
$\therefore$ cost price $=₹ 80$ $S.P.$ after giving $12 \%$ discount at $₹ 100=₹ 88$
$\therefore$ Profit $=\frac{88-80}{80} \times 100 \%=\frac{8}{80} \times 100 \%=10 \%$
Standard 13
Quantitative Aptitude
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