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SEAMO 2019 — Paper A — Grade 1–2 Question 2

SEAMO · SEAMO 2019 — Paper A — Grade 1–2

Question 2

Find the next number: $1,5,6,11,17,28,45,\square$.
  1. $63$
  2. $64$
  3. $73$
  4. $75$
  5. None of the above