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JAMB Mathematics 2025 Objective — Question 27

Question 27 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2025 Objective paper, with the correct answer and a full explanation.

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If n(A)=8, n(B)=5 and n(A∩B)=3, find n(A'∩B).

  • A. 8
  • B. 5
  • C. 2Correct
  • D. 3

Explanation

n(A'∩B) = n(B) - n(A∩B) = 5-3 = 2.

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