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SEAMO 2017 — Paper C — Grade 5–6 Question 3

SEAMO · SEAMO 2017 — Paper C — Grade 5–6

Question 3

Define $2\oplus4=2+3+4+5=14$ and $5\oplus3=5+6+7=18$. Find $m$ if $m\oplus7=49$.
  1. $1$
  2. $2$
  3. $3$
  4. $4$
  5. $5$