ISRO Electrical Engineering (EE) 2018 - Question 78

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In a school, 45% of the students play football, 30% of students play cricket and 15% of students play both. If a student is selected at random what is the probability that he plays football or cricket?

  • A. 1/4
  • B. 2/7
  • C. 3/5
  • D. 4/5

Answer: C. 3/5

Explanation: P(Football ∪ Cricket) = P(F) + P(C) − P(F ∩ C) = 45% + 30% − 15% = 60% = 3/5.

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