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VTMO 2019 — Grade 9 — semifinal Question 15

VTMO · VTMO 2019 — Grade 9 — semifinal

Question 15

Draw six times with replacement: red $5$ points, yellow $3$, blue $1$. How many color sequences total $20$ points?
  1. $120$
  2. $126$
  3. $128$
  4. $3$
  5. $18$