Civil Service Exam Reviewer · Logical Reasoning · medium

Of 137 students in a senior high school, 61 joined the science club, 80 joined the math club, and 29 do both. How many of them do NEITHER?

  1. -4
  2. 25
  3. 54
  4. 30

Answer

B. 25

Solution

Neither = 137 − (61 + 80 − 29) = 137 − 112 = 25.

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