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SEAMO 2020 — Paper D — Grade 7–8 Question 6

SEAMO · SEAMO 2020 — Paper D — Grade 7–8

Question 6

How many of $1/99,2/99,3/99,\ldots,98/99$ are in lowest terms?
  1. $45$
  2. $60$
  3. $75$
  4. $90$
  5. None of the above