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VTMO 2019 — Grade 5 — semifinal Question 12

VTMO · VTMO 2019 — Grade 5 — semifinal

Question 12

Five natural numbers have mean $60$. Replacing the smallest by $80$ raises the mean to $65$. Find the replaced number.
  1. $45$
  2. $48$
  3. $50$
  4. $55$
  5. $60$