Introduction to Data Interpretation
Direction: Circle graph given below shows the expenditure incurred in bringing out a book by a publisher.
Study the graph and answer the question.
- The central angle of the sector for the cost of the paper is :
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∵ 100% ≡ 360°
∴ 16% ≡ 360 × 16 = 57.6° 100 Correct Option: D
∵ 100% ≡ 360°
∴ 16% ≡ 360 × 16 = 57.6° 100
Direction: The following pie-chart shows the preference of musical instruments of 60,000 people surveyed over whole India. Examine the chart and answer the questions.
- The number of people who prefer Guitar is greater than the total number of people who prefer either Flute or Piano by :
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Required no. of people = (22 – 11 – 9)% of 60000
= 60000 ×2 = 1200 100 Correct Option: A
Required no. of people = (22 – 11 – 9)% of 60000
= 60000 ×2 = 1200 100
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If 16 2 % of the people who prefer Piano, would go with the people who prefer Flute, the percentage of people who prefer Flute would have been 3
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People who prefer Piano
= 60000 × 9 = 5400 100
∴ New number of people who prefer flute= 6600 + 5400 × 50 300
= 6600 + 900 = 7500
∴ Required percentage= 7500 ×100 60000
= 12.5%Correct Option: D
People who prefer Piano
= 60000 × 9 = 5400 100
∴ New number of people who prefer flute= 6600 + 5400 × 50 300
= 6600 + 900 = 7500
∴ Required percentage= 7500 ×100 60000
= 12.5%
- The number of people who prefer the musical instrument Sarod is :
-
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People who prefer Sarod
= 60000 × 14 = 8400 100 Correct Option: B
People who prefer Sarod
= 60000 × 14 = 8400 100
- The total number of people who prefer either Sarod or Guitar, is greater than the total number of people who prefer either Violin or Sitar by :
-
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Difference of percentage = 22 + 14 – 20 – 14 = 2%
∴ Required answer= 60000 × 2 = 1200 100 Correct Option: A
Difference of percentage = 22 + 14 – 20 – 14 = 2%
∴ Required answer= 60000 × 2 = 1200 100
