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SEAMO 2019 — Paper A — Grade 1–2 Question 19

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

Question 19

An operation is defined by $2\odot4=12$, $3\odot5=16$, $2\odot8=20$. Find $6\odot9$.
  1. $10$
  2. $15$
  3. $20$
  4. $25$
  5. $30$