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- Quantitative Aptitude
7.Profit and Loss
easy
If on selling $12$ note books, a seller makes a profit equal to selling price of $4$ notebooks. What is his percent profit?
A
$16 \frac{2}{3}$
B
$25$
C
$50$
D
Data inadequate
Solution
The cost price of $12$ note books $=$ Selling price of $8$ note books
$\therefore$ Profit $=$ Selling price of $4$ note books $=$ Cost price of $6$ note books
$\therefore \quad \%$ profit $=\frac{\text { cost price of } 6 \text { note books }}{\text { cost price of } 12 \text { note books }} \times 100=50 \%$
Standard 13
Quantitative Aptitude