Mathematics for IGCSE & O level - Sets (Section 4)

• 1

  Given A = {x | x is an even number} and B = {x | x is a prime number}, what is A ∩ B?

  Απάντηση

  (A)

  {2}
• 2

  Given the following information in a Venn diagram, what does the shaded area represent? (Refer to the image for the Venn diagram)

  Απάντηση

  (C)

  P ∩ Q'
• 3

  Which statement is correct regarding the cardinality of a set?

  Απάντηση

  (B)

  Cardinality refers to the number of elements in a set.
• 4

  What does the notation n(A) mean?

  Απάντηση

  (C)

  The number of elements in set A
• 5

  If A' ∪ A equals the universal set U, what does A ∩ A' equal?

  Απάντηση

  (C)

  {}