Question
Calculate the percentage of the students who were girls.
- 20%
- 25%
- 40%
- 50%
Hint:
Data is a collection of information, which can be presented in many forms. One of them is tabular form in which data can be analysed and it helps to understand the data. Here, we have to find the percentage using the data given in the table.
The correct answer is: 50%
In the question a table is given using which we have to find the percentage of students who are girls.
According to the table,
Total number of students= 40
Number of girls= 20
The percentage of girl students= 
So, the percentage of students who are girls is 50%.
Therefore the correct option is d, i.e., 50%.
Percent is referred as per hundred which means the ratio of given number and 100. Percent can be calculated by using the formula 
.
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