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VTMO 2015 — Grade 3 — semifinal Question 12

VTMO · VTMO 2015 — Grade 3 — semifinal

Question 12

Minh takes three tests, receiving an odd score on each. Which number could be the total of his three scores?
  1. $18$
  2. $19$
  3. $20$
  4. $22$
  5. $30$