Question : Study the following bar graph and answer the questions given below.
Difference between the number of boys and girls in schools A, B, C, D, and E.
Total number of boys and girls in schools A, B, C, D, and E.
Note: The number of boys > the number of girls
What is the ratio of the number of boys to the number of girls in school E?
Option 1: 5 : 3
Option 2: 7 : 4
Option 3: 4 : 3
Option 4: 5 : 4
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Correct Answer: 5 : 3
Solution :
As per the graph,
The number of boys in a school = $\frac{1}{2}$(Total number of students in the school + Difference between the number of boys and girls in school E)
The number of boys in a school = $\frac{1}{2}$(2800 + 700) = 1750
Number of girls in a school = Total number of students in the school – Number of boys in the school
Number of girls in a school = 2800 – 1750 = 1050
The ratio of the number of boys to the number of girls in school E = 1750 ∶ 1050 = 5 ∶ 3
Hence, the correct answer is 5 ∶ 3.
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