From the same data V1=12, V2=18, V3=9, V4=21 (thousands), the percentage of the total population living in…

From the same data V1=12, V2=18, V3=9, V4=21 (thousands), the percentage of the total population living in V3 is:
  1. $10\%$
  2. $15\%$
  3. $20\%$
  4. $25\%$

Solution

Total $= 12+18+9+21 = 60$. Percentage of V3 $= (9/60)\times 100 = 15\%$.

Asked in: IMO

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