Question : Study the given bar graph and answer the question that follows. The bar graph shows the export of rice (in lakhs) during five years.
In how many years was the export of rice less than the average export for the five years?
Option 1: 4
Option 2: 1
Option 3: 3
Option 4: 2
Correct Answer: 3
Solution :
The total export for the five years = 10.4 + 13 + 15.6 + 21.6 + 18.8 = 79.4 lakh tons of rice
$\therefore$ The average yearly export = $\frac{79.4}{5}$ = 15.88 lakh tons of rice per year.
The exports were less than the average in three years: 2010, 2011, and 2012.
$\therefore$ The export of rice was less than the average export in 3 years.
Hence, the correct answer is 3.
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