Instructions
Study the following graph carefully to answer these questions :
Question 142
What was the average population of state B (in millions) for all the years together?
Solution
Total population of state B for all the years together (in millions)
= 20 + 30 + 35 + 45 + 45 + 50 = 225
=> Required average = $$\frac{225}{6}$$
= 37.5
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