2018 · Q52
What percentage of students passed in exactly one subject ?
Elementary MathematicsStatistics
- A21
- B23
- C25
- D27
Explanation
Exactly one subject = (55 - 25 - 28 + 4) + (62 - 25 - 30 + 4) + (60 - 30 - 28 + 4) = 6 + 11 + 6 = 23%. Hence option B.