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7.Profit and Loss
easy
A man sold two watches for $Rs.\,3750$ each. On one he gained $5 \%,$ and on the other, he lost $5 \% .$ What was his total gain or loss percentage$?$
A
$1 \frac{1}{4}$
B
$\frac{1}{2}$
C
$\frac{1}{4}$
D
None of these
Solution
Here, $x=5$
$\therefore \quad$ Overall $\operatorname{loss} \%=\left(\frac{x}{10}\right)^{2} \%=\left(\frac{5}{10}\right)^{2} \%=\frac{1}{4} \%$
Standard 13
Quantitative Aptitude