Introduction to Data Interpretation
Direction: The following graph represents the transport used by children. Study the graph and answer the given questions.
- If 180 students come walking to school what is the strength of the school?
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∵ 144° ≡ 180 students
∴ 360° ≡ 180 × 360 144
= 450 studentsCorrect Option: B
∵ 144° ≡ 180 students
∴ 360° ≡ 180 × 360 144
= 450 students
- If 10 students come by car, how many come by bus?
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∵ 24° ≡ 10 students
∴ 120° ≡ 10 × 120° 24
= 50 studentsCorrect Option: B
∵ 24° ≡ 10 students
∴ 120° ≡ 10 × 120° 24
= 50 students
- What is the percentage of children using scooter?
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Corresponding angle for children using scooter = 72°
∵ 360° ≡ 100%∴ 72% ≡ 100 × 72 = 20% 360 Correct Option: A
Corresponding angle for children using scooter = 72°
∵ 360° ≡ 100%∴ 72% ≡ 100 × 72 = 20% 360
- What is the measure of the angle at the centre representing people walking?
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Corresponding angle for children who go on walking
= 360 – 120 – 72 – 24 = 144°Correct Option: A
Corresponding angle for children who go on walking
= 360 – 120 – 72 – 24 = 144°
Direction: The following pie-chart shows the monthly expenditure of a family on food, house rent, clothing, education, fuel and miscellaneous. Study the pie-chart and answer the questions.
- Total percentage of expenditure on house rent, clothing and fuel is greater than the percentage of expenditure on food by
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House rent + clothing + fuel ⇒ 20 + 12 + 15 = 47%
Food ⇒ 30%
Difference = 47 – 30 = 17%Correct Option: B
House rent + clothing + fuel ⇒ 20 + 12 + 15 = 47%
Food ⇒ 30%
Difference = 47 – 30 = 17%