Please see the following carefully and answer questions. In an examination, 500 candidates appeared for tests in English, Hindi and Mathematics. The diagram presents the number of candidates who failed in different tests:
What is the number of the candidates who failed in at least two subjects?
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → 39
“At least two subjects” means two or three subjects, so every region where two or three circles overlap is counted.
English and Hindi only: 10
English and Mathematics only: 12
Hindi and Mathematics only: 12
All three subjects: 5
Total: \(10+12+12+5=39\)