In a survey of $300$ families of a colony, the number of children in each family was recorded and the data has been represented by the bar graph, given:Read the graph carefully and answer the following questions:
What percentage of the families have $4$ children ?

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Solution

The percentage of families having $4$ children $= \frac{60}{300} \times 100 = 20 %$

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In a survey of 300 families of a colony, the number of children in each family was recorded and the data has been represented by the bar graph, given:Read the graph carefully and answer the following questions:What percentage of the families have 4 children ?

The percentage of families having 4 children =60300×100=20%

In a survey of $300$ families of a colony, the number of children in each family was recorded and the data has been represented by the bar graph, given:Read the graph carefully and answer the following questions:
What percentage of the families have $4$ children ?

The percentage of families having $4$ children $= \frac{60}{300} \times 100 = 20 %$