## Introduction to Data Interpretation

#### 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?

1. ∵ 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?

1. 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?

1. 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?

1. Expenses on clothes

 = 48000 × 30 × 10 100 100

= \$ 1440

##### Correct Option: B

Expenses on clothes

 = 48000 × 30 × 10 100 100

= \$ 1440

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

1. Expenses on food

 = 40000 17 = \$ 6800 100

##### Correct Option: D

Expenses on food

 = 40000 17 = \$ 6800 100