ECZ 2023 · GCE Paper 1 — Sets

The universal set E={0,1,2,3,4,5,6,7,8,9}, set A={ Prime numbers } and set B={3,6,9}.

  • A. {0,1,2,4,5,7,8}
  • B. {2,3,5,6,7,9}
  • C. {0,1,2,3,4,5,7,8}
  • D. {0,1,3,4,6,8,9}

Verified working — step 1

A={2,3,5,7}

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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