Multiple choice

The table below indicates the percentage of students and the ratio of boys and girls in the various streams of a college. (Total students = 2600) Stream CE CS IT ME EC % Students 20% 18% 21% 22% 19% Boys : Girls 3 : 2 4 : 5 3 : 4 6 : 5 9 : 10 In which stream, is the difference in the percentage of boys and girls minimum?

  1. EC

  2. CS

  3. IT

  4. ME

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A Correct answer
Explanation

To find the minimum difference, calculate the percentage of boys and girls in each stream. CE: 20% total, 3:2 ratio -> 12% boys, 8% girls (diff 4). CS: 18% total, 4:5 ratio -> 8% boys, 10% girls (diff 2). IT: 21% total, 3:4 ratio -> 9% boys, 12% girls (diff 3). ME: 22% total, 6:5 ratio -> 12% boys, 10% girls (diff 2). EC: 19% total, 9:10 ratio -> 9% boys, 10% girls (diff 1). EC has the smallest difference.