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VTMO 2015 — Grade 4 — semifinal Question 11

VTMO · VTMO 2015 — Grade 4 — semifinal

Question 11

The mean of $11$ consecutive even numbers is $20$. What is the sum of the smallest and largest?
  1. $18$
  2. $20$
  3. $30$
  4. $40$
  5. $50$