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SEAMO 2018 — Paper D — Grade 7–8 Question 9

SEAMO · SEAMO 2018 — Paper D — Grade 7–8

Question 9

Positive integers satisfy $1/x+1/y+1/z=5/6$. Which listed triple is possible?
  1. $(2,4,12)$
  2. $(2,6,6)$
  3. $(3,3,6)$
  4. $(3,4,4)$
  5. All of the above