2019 · Q42
In an examination, 52% candidates failed in English and 42% failed in Mathematics only. If 17% failed in both the subjects, then what percent passed in both the subjects?
Elementary MathematicsSet Theory
- A77
- B58
- C11
- D6
Explanation
Failed mathematics in all = 42% (only) + 17% (both) = 59%. Failed at least one subject = 52% (English) + 42% (maths only) = 94%. Passed both = 100 − 94 = 6%.