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VTMO 2021 — Grade 9 — vtmo Question 6

VTMO · VTMO 2021 — Grade 9 — vtmo

Question 6

Six distinct cars: one green, two yellow, three red. Count orders without adjacent cars of the same color.
  1. $120$
  2. $60$
  3. $720$
  4. $360$
  5. $36$