Introduction to Data Interpretation


Direction: Pie-charts show the expenses on various heads in construction of a house. Study the pie-chart.

  1. What percentage of the total amount is being spent on cement in 1991?









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    ∵ 360° ≡ 100%

    ∴ 108° ≡
    100
    × 108 = 30%
    360

    Correct Option: B

    ∵ 360° ≡ 100%

    ∴ 108° ≡
    100
    × 108 = 30%
    360


Direction: The adjoining pie-chart shows the proportional expenditure on various items of Amar’s family. If monthly income of Amar is 48,000, answer the questions.

  1. How much does he spend more on rent than on transport and education taken together?









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    Difference of percentage = 25 – (5 + 15) = 5%
    ∴ Required difference

    =
    48000 × 5
    = $ 2400
    100

    Correct Option: A

    Difference of percentage = 25 – (5 + 15) = 5%
    ∴ Required difference

    =
    48000 × 5
    = $ 2400
    100


  1. How much does he save per month?









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    Savings per month = 8%
    ∴ Required savings

    =
    48000 × 8
    = $ 3840
    100

    Correct Option: C

    Savings per month = 8%
    ∴ Required savings

    =
    48000 × 8
    = $ 3840
    100


  1. If 10% of miscellaneous expenditure is earmarked for clothing, how much amount is spent on clothes?









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    Expenses on clothes

    = 48000 ×
    30
    ×
    10

    100100

    = $ 1440

    Correct Option: B

    Expenses on clothes

    = 48000 ×
    30
    ×
    10

    100100

    = $ 1440


  1. Had his income be $ 40,000 how much would be spent on food?









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    Expenses on food

    = 40000
    17
    = $ 6800
    100

    Correct Option: D

    Expenses on food

    = 40000
    17
    = $ 6800
    100