Level 3- Bar Graph Practice Quiz- 6 Hard

DIRECTIONS for questions 6 – 10: Refer to the following graph related to the percentage of persons over 25 years of age and with more than 4 years college education living in country X.

  1. What percentage of persons of 25 and over completed 4 years of college or more in 1970?

    A. 7%
    B. 10%
    C. 11%
    D. 12.5%
    Answer: C
    By visual observation, 11% of person of 25 and over completed 4 years of college or more in 1970.
  2. What was the average percentage increase per year from 1970 to 1980?

    A. 0.5%
    B. 5%
    C. 0.7%
    D. 2%
    Answer: B
    %age in year 1980 = 16.5. %age in year 1970 = 11%. Percentage increase = (16.5 – 11) / 11 = 50%
    Average % age increase over 10 years = 50/10 = 5%
  3. If in 1987, a typical state had 125,000 persons of 25 and over with 4 years of college or more. What population of the state was 25 and over?

    A. 375,000
    B. 475,000
    C. 625,000
    D. 525,000
    Answer: C
    In 1987, 20% of persons and over with 4 years of college and more i.e. 1,25,000 persons(given).
    20% of population in 1987 = 1, 25,000. Total population = 100 x 125000 / 20 = 6,25,000
  4. What was the percent increase in the percentage of persons of 25 and over completing 4 years of college or more between 1960 and 1989?

    A. 100%
    B. 150%
    C. 200%
    D. 300%
    Answer: C
    %age in year 1960 = 7%, %age in year 1989 = 21%, %age increase = 100 x (21 – 7) / 7 = 200% (approx.)
  5. If some other country had three times as many people of 25 and over in 1989 as the country X with the same number of persons completing 4 years of college or more, what percentage of that country’s people of 25 and over would complete college?

    A. 7%
    B. 5%
    C. 9%
    D. Can’t say
    Answer: A
    If country X had 100 people over 25 in year 1989, then 21 were educated. The other country has 300 people over 25.
    The number of educated is still 21.
    So, as a %age that works out to 21/300 × 100 = 7%.

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