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VTMO 2013 — Grade 6 — semifinal Question 18

VTMO · VTMO 2013 — Grade 6 — semifinal

Question 18

A box has $10$ blue, $13$ red, $12$ yellow balls. What minimum blind draw guarantees $10$ of one color?
  1. $28$
  2. $27$
  3. $13$
  4. $12$
  5. $10$