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 | What is the ratio of students studying in CS and IT?

  1. 9 : 11

  2. 12 : 13

  3. 6 : 7

  4. 11 : 13
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C Correct answer
Explanation

CS students = 18% of 2600 = 468. IT students = 21% of 2600 = 546. Ratio = 468/546 = 18/21 = 6/7.

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