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Question

In three schools, Alpha Public School, Bright Future School and Crescent Academy, the number of students is 400, 360 and 440 respectively. The ratio of boys to girls in these schools is 3 : 2, 5 : 4 and 7 : 4 respectively. Find the percentage of girls among all the students of the three schools together.

A 25%

B 20%

C 32%

D 40%

E None of these

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