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VTMO 2014 — Grade 5 — semifinal Question 7

VTMO · VTMO 2014 — Grade 5 — semifinal

Question 7

a leaves remainder $3$ on division by $9$. What is the remainder of $5$ a?
  1. $0$
  2. $3$
  3. $5$
  4. $6$
  5. $8$