Given : Total candidates who appeared in an examination = 50030 candidates failed in English only75 failed in Hindi only50 failed in mathematics only15 failed in both English and Hindi17 failed in both Hindi and Mathematics 17 failed in both Mathematics and English 5 failed in all three testsConcept used :Venn diagram conceptCalculations :Candidates failed in English and Hindi only = 10Candidates failed in English and mathematics only = 12Candidates failed in Hindi and mathematics only = 12Candidates failed in Hindi, English, and mathematics = 5Candidates failed in at least one subject =10 + 12 + 12 + 5 = 39Candidates passed in two or more subjects = total candidates - candidates failed in at least one subjectCandidates passed in two or more subjects = 500 - 39 = 461? Candidates who passed in two or more subjects are 461.