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UPSC CSAT • TOPIC PRACTICE
Set Theory
Practice all 5 questionsclassified under Set Theory.
In a town, 45% population read magazine A, 55% read magazine B, 40% read magazine C, 30% read magazines A and B, 15% read magazines B and C, 25% read magazines A and C; and 10% read all the three magazines. What percentage do not read any magazine?
UPSC CSAT marking
Correct answer: +2.5 marks. Incorrect answer: −1/3 of 2.5 marks (−0.8333 marks). Skipped questions receive 0 marks.