ECZ 2017 · GCE Paper 1 — Sets

Given that E={1,2,3,4,5,6,7,8},A={1,8} and B={2,3,4,5,6,7}, list (A∪B)'.

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

Verified working — step 1

A∪B={1,2,3,4,5,6,7,8}=E

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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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