A bar graph shows population (in thousands) of four villages: V1=12, V2=18, V3=9, V4=21. The combined…

A bar graph shows population (in thousands) of four villages: V1=12, V2=18, V3=9, V4=21. The combined population of V2 and V4 (in thousands) is:
  1. $30$
  2. $33$
  3. $39$
  4. $42$

Solution

$18+21 = 39$ thousand.

Asked in: IMO

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