Mathematics · Set Theory and Venn Diagrams
In an examination, students appeared in Mathematics, Physics, and Chemistry. It was found that 52% of the students failed in Mathematics, 47% failed in Physics, and 49% failed in Chemistry. Further, 24% failed in both Mathematics and Physics, 27% failed in both Physics and Chemistry, and 21% failed in both Chemistry and Mathematics. It was also observed that 15% of the students passed exactly two subjects, while 10% of the students passed all three subjects. Find the percentage of students who failed in only Mathematics.
- 123%
- 221%✓
- 331%
- 419%
Correct answer
21%
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