Sample quiz on percentages
Main home here.

1. The expression $x\%$ of $y$ means $\cdots$?
   
   $(\frac{x}{y})\times 100$
   $(\frac{y}{x})\times 100$
   $(\frac{x}{100})\times y$
   $(\frac{x}{x+y})\times 100$
   
2. What is $20\%$ of $15$?
   
   $3$
   $30$
   $0.3$
   $7.5$
3. What is $12\%$ of $13$?
   
   $15.6$
   $1.56$
   $1.65$
   $16.5$
4. $10\%$ of a number equals $11$. What is the number?
   
   $100$
   $110$
   $101$
   $121$
5. When $20\%$ is converted to a fraction, the result is $\cdots$?
   
   $\frac{2}{5}$
   $\frac{5}{2}$
   $\frac{1}{5}$
   $\frac{1}{4}$
6. In decimal form, $28\%$ is $\cdots$?
   
   $0.28$
   $2.80$
   $0.028$
   $0.140$
7. What is $25\%$ of $120$?
   
   $60$
   $40$
   $30$
   $20$
8. A math class consists of $2$ boys and $3$ girls. The percentage of girls in the class is $\cdots$?
   
   $30\%$
   $40\%$
   $50\%$
   $60\%$
9. An item bought for $\$20$ was sold for $\$25$. What is the percentage profit?
   
   $25\%$
   $30\%$
   $45\%$
   $50\%$
10. In order to make a $10\%$ profit on an item bought for $\$10$, how much must the item be sold?
    
    $\$10$
    $\$11$
    $\$20$
    $\$21$