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WAEC Further Mathematics 2023 Question 4

Question 4

Sets and Logic

Consider the statements:
x: The school bus arrived late
y: The students walked down to school.
Which of the following can be represented by y ⇒ x?

  1. A.Emmanuella did not go to school because the school bus arrived late
  2. B.The school bus arrived early and Kate ran to school
  3. C.Mary walked to school because the school bus arrived late.
  4. D.Either the school bus arrived late or Maryam walked to school
Show the answer and explanation

Answer: C (Mary walked to school because the school bus arrived late.)

Explanation

Only option C links the two statements – walking to school and the bus arriving late – as one following from the other; A, B and D involve other statements or 'or'/'and'.