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SEAMO 2021 — Paper A — Grade 1–2 Question 17

SEAMO · SEAMO 2021 — Paper A — Grade 1–2

Question 17

Find the sum of the first $42$ terms of $2,4,6,2,4,6,\ldots$.
  1. $168$
  2. $164$
  3. $162$
  4. $160$
  5. $172$