ECZ 2016 · O-Level Paper 1 — Sets

Given that E={a,b,c,d,e,f,g,h},A={a,b,c,d} and B={b,c,d,e,f}, list (A∪B)'.

  • A. {g,h}
  • B. {a,b,c,d,e,f}
  • C. {e,f,g,h}
  • D. {a,g,h}

Verified working — step 1

A={a,b,c,d} B={b,c,d,e,f} A∪B={a,b,c,d,e,f}

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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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