Directions : Study the graph and answer the questions: The bar chart is given…

2025

Directions : Study the graph and answer the questions:

The bar chart is given below:

In which census year, the per cent increase in population is highest as compared to that in the previous census year?

  1. A.

    1971

  2. B.

    1981

  3. C.

    1991

  4. D.

    2001

Attempted by 1 students.

Show answer & explanation

Correct answer: D

Step-by-Step Solution

To find the year with the highest percentage increase, we calculate the growth rate for each decade using the formula: Percentage Increase = [(Current Year Population - Previous Year Population) / Previous Year Population] * 100

Based on the graph, the approximate population values are:

  • 1951: 28

  • 1961: 32

  • 1971: 36

  • 1981: 44

  • 1991: 54

  • 2001: 68

  1. Calculate Growth Rates:

    • 1951–1961: (32-28)/28 = 14.3%

    • 1961–1971: (36-32)/32 = 12.5%

    • 1971–1981: (44-36)/36 = 22.2%

    • 1981–1991: (54-44)/44 = 22.7%

    • 1991–2001: (68-54)/54 = 25.9%

Comparing these percentages, the increase from 1991 to 2001 is the highest.

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