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VTMO 2016 — Grade 6 — semifinal Question 3

VTMO · VTMO 2016 — Grade 6 — semifinal

Question 3

$A = 2^{6} \times 3^{2} \times 5^{4}$. Find its digit sum.
  1. $6$
  2. $9$
  3. $12$
  4. $18$
  5. $27$