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JAMB Mathematics 2003 Question 3

Question 3

Sets

In a class of 40 students, 32 offer Mathematics, 24 offer Physics. How many offer both Mathemaics and Physics?

  1. A.20
  2. B.16
  3. C.8
  4. D.4
Show the answer and explanation

Answer: B (16)

Explanation

Everyone offers at least one subject, so both = 32 + 24 − 40 = 16.