Question : Direction: The graph shows the production of food grains in a country in different years. Study the graph and answer the question.
The two consecutive years in which the rate of changes in the production of food grains is at its minimum are:
Option 1: 1980 and 1981
Option 2: 1982 and 1983
Option 3: 1984 and 1985
Option 4: 1983 and 1984
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Correct Answer: 1980 and 1981
Solution :
It is obvious from the graph.
In the year 1981, it changed from 30 to 35 (Increase)
Percentage change in production = $\frac{5}{30} \times 100$ = 16.67% increase
In the year 1982, it changed from 35 to 20 (Decrease)
Percentage change in production = $\frac{15}{35} \times 100$ = 42.86% decrease
In the year 1983, it changed from 20 to 25 (Increase)
Percentage change in production = $\frac{5}{20} \times 100$ = 25% increase
In the year 1984, it changed from 25 to 15 (Decrease)
Percentage change in production = $\frac{10}{25} \times 100$ = 40% decrease
In the year 1985, it changed from 15 to 30 (Increase)
Percentage change in production = $\frac{15}{15} \times 100$ = 100% increase
Hence, the correct answers are 1980 and 1981.
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