National Income and Population Analysis

CAT 1991 Slot 1 · DILR · Medium · Data Interpretation

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Passage / data set

The following table gives the national income and the population of a country for the years 1984–85 to 1989–90.

YearNational Income (in Rs. Crore)Population (in crore)
1984-85229,22574.0
1985-86261,17475.0
1986-87291,55677.0
1987-88329,93478.5
1988-89388,53980.0
1989-90433,50081.5

Question 1 of 2

The increase in the per capita income compared to the previous year is lowest for the year:

  1. A.

    1985-86

  2. B.

    1986-87

  3. C.

    1987-88

  4. D.

    1989-90

Answer

B

Explanation

Per Capita Income = National IncomePopulation\frac{\text{National Income}}{\text{Population}}:

  • 1984-85: 229225/74.0=3097.62229225 / 74.0 = 3097.62
  • 1985-86: 261174/75.0=3482.32261174 / 75.0 = 3482.32 (Increase = 384.70)
  • 1986-87: 291556/77.0=3786.44291556 / 77.0 = 3786.44 (Increase = 304.12)
  • 1987-88: 329934/78.5=4202.98329934 / 78.5 = 4202.98 (Increase = 416.54)
  • 1988-89: 388539/80.0=4856.73388539 / 80.0 = 4856.73 (Increase = 653.75)
  • 1989-90: 433500/81.5=5319.01433500 / 81.5 = 5319.01 (Increase = 462.28) Lowest increase is in 1986-87 (304.12).

Question 2 of 2

The per capita income is highest for the year:

  1. A.

    1984-85

  2. B.

    1985-86

  3. C.

    1987-88

  4. D.

    1989-90

Answer

D

Explanation

Per capita income grows consistently each year and reaches its maximum value of Rs. 5319.01 in 1989-90.

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