Introduction to Data Interpretation
Direction: Pie-charts show the expenses on various heads in construction of a house. Study the pie-chart.
- The percentage increase in the amount spent on labour from 1991 to 2001, given that the total amount spent on the construction of the house is $ 3,60, 000 in 1991 and $ 8,64,000, in 2001 is
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Expenditure on labourers :
Year 1991 ⇒ 360000 × 90 360
= $ 90000Year 2001 ⇒ 864000 × 100 360
= $ 240000
Percentage increase= 240000 - 90000 × 100 90000 = 1500 = 166.7% 9 Correct Option: E
Expenditure on labourers :
Year 1991 ⇒ 360000 × 90 360
= $ 90000Year 2001 ⇒ 864000 × 100 360
= $ 240000
Percentage increase= 240000 - 90000 × 100 90000 = 1500 = 166.7% 9
- 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.
- 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
- 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
- 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 × 10 100 100
= $ 1440Correct Option: B
Expenses on clothes
= 48000 × 30 × 10 100 100
= $ 1440
