Question Bank - Mathematics

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What is the percentage of candidates who failed in only one subject?

A.
28%
B.
31%
C.
35.80%
D.
38.80%

Solution:

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 only english = 30Candidates failed in only hindi = 75Candidates failed in only mathematics = 50Candidates failed in only one subject = 30 + 75 + 50? 155The percentage of candidates who failed in only one subject? (Candidates failed in only one subject/total candidates) × 100? (155/500) × 100? 31%? The percentage of candidates who failed in only one subject is 31%.

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