Study the following graph and answer the question that follows.

In which of the schools is the number of boys 40% more than the number of girls?

Correct option is D

Solution:

ratio of boys and girls in school A=3.5\2.5= 140\100

ratio of boys and girls in school B=3.1\4= 77\100

ratio of boys and girls in school E=4\3.1= 129.33\100

ratio of boys and girls in school A=4.5\4.1= 110\100

so in school A boys is 140% of girls.