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7.Profit and Loss
medium
A shopkeeper sells $20$ pencils for the same amount of money as he paid for $25$ pencils. What is his gain percent?
A
$20$
B
$25$
C
$24$
D
None of these
Solution
Here, $m=25, n=20$
$\therefore \quad \%$ gain $=\left(\frac{m-n}{n}\right) \times 100=\left(\frac{25-20}{20}\right) \times 100$
$=25 \%$
Standard 13
Quantitative Aptitude