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1 markPaper 1 · Multiple choiceH.C.F. and L.C.M.

CSEC Mathematics · January 2011 · Paper 1 · Question Q8

What is the highest Common Factor of the set of numbers \{54, 72, 90\}?

  1. (A)9
  2. (B)18
  3. (C)90
  4. (D)1080

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