Data Interpretation Worksheet

Quantitative aptitude lesson 29: Data interpretation · Set 820 · 40 questions

The method (Total first): Total = add every value. Average = total ÷ number of rows. Percent of total = that value ÷ total × 100. Most/fewest: compare all the values. Difference = bigger − smaller.

1. 1.Students who chose each subject
   Maths: 150
   Science: 75
   English: 125
   Hindi: 50
   Art: 100
   What is the average number of students per subject?
2. 2.Students who chose each subject
   Maths: 200
   Science: 80
   English: 120
   Hindi: 280
   Art: 120
   How many students are there in all?
3. 3.Mangoes sold by a fruit seller
   Mon: 80
   Tue: 60
   Wed: 100
   Thu: 80
   Fri: 80
   The number for Wed is what percent of the total?
4. 4.Visitors to a science museum
   Jan: 120
   Feb: 100
   Mar: 80
   Apr: 40
   May: 60
   The number for Jan is what percent of the total?
5. 5.Books sold by a shop
   Mon: 60
   Tue: 60
   Wed: 60
   Thu: 90
   Fri: 30
   How many more books are there for Thu than for Tue?
6. 6.Trees planted by each class
   Class 6: 60
   Class 7: 80
   Class 8: 100
   Class 9: 120
   Class 10: 40
   Which class has the most trees? (a) Class 6 (b) Class 8 (c) Class 9 (d) Class 7
7. 7.Books sold by a shop
   Mon: 300
   Tue: 200
   Wed: 200
   Thu: 200
   Fri: 100
   Which day has the most books? (a) Mon (b) Tue (c) Wed (d) Fri
8. 8.Books sold by a shop
   Mon: 100
   Tue: 100
   Wed: 75
   Thu: 125
   Fri: 100
   How many more books are there for Thu than for Tue?
9. 9.Mangoes sold by a fruit seller
   Mon: 120
   Tue: 160
   Wed: 240
   Thu: 80
   Fri: 200
   What is the difference between the highest and the lowest number of mangoes?
10. 10.Books sold by a shop
    Mon: 200
    Tue: 300
    Wed: 200
    Thu: 200
    Fri: 100
    The number for Wed is what percent of the total?
11. 11.Students who chose each subject
    Maths: 60
    Science: 105
    English: 15
    Hindi: 60
    Art: 60
    How many students are there in all?
12. 12.Trees planted by each class
    Class 6: 20
    Class 7: 15
    Class 8: 25
    Class 9: 20
    Class 10: 20
    What is the difference between the highest and the lowest number of trees?
13. 13.Books sold by a shop
    Mon: 100
    Tue: 150
    Wed: 50
    Thu: 100
    Fri: 100
    What is the average number of books per day?
14. 14.Books sold by a shop
    Mon: 100
    Tue: 120
    Wed: 100
    Thu: 20
    Fri: 60
    Which day has the most books? (a) Fri (b) Tue (c) Thu (d) Mon
15. 15.Books sold by a shop
    Mon: 45
    Tue: 90
    Wed: 30
    Thu: 75
    Fri: 60
    How many more books are there for Fri than for Wed?
16. 16.Mangoes sold by a fruit seller
    Mon: 75
    Tue: 90
    Wed: 15
    Thu: 75
    Fri: 45
    The number for Thu is what percent of the total?
17. 17.Students who chose each subject
    Maths: 50
    Science: 30
    English: 60
    Hindi: 40
    Art: 20
    Which subject has the fewest students? (a) English (b) Science (c) Hindi (d) Art
18. 18.Students who chose each subject
    Maths: 60
    Science: 100
    English: 80
    Hindi: 40
    Art: 120
    How many students are there in all?
19. 19.Books sold by a shop
    Mon: 60
    Tue: 80
    Wed: 80
    Thu: 80
    Fri: 100
    Which day has the most books? (a) Mon (b) Thu (c) Wed (d) Fri
20. 20.Books sold by a shop
    Mon: 40
    Tue: 30
    Wed: 40
    Thu: 50
    Fri: 40
    Which day has the most books? (a) Thu (b) Fri (c) Wed (d) Tue
21. 21.Mangoes sold by a fruit seller
    Mon: 160
    Tue: 200
    Wed: 160
    Thu: 120
    Fri: 160
    Which day has the fewest mangoes? (a) Tue (b) Mon (c) Wed (d) Thu
22. 22.Students who chose each subject
    Maths: 30
    Science: 40
    English: 60
    Hindi: 20
    Art: 50
    How many students are there in all?
23. 23.Mangoes sold by a fruit seller
    Mon: 75
    Tue: 100
    Wed: 100
    Thu: 100
    Fri: 125
    What is the difference between the highest and the lowest number of mangoes?
24. 24.Students who chose each subject
    Maths: 90
    Science: 210
    English: 120
    Hindi: 120
    Art: 60
    Which subject has the fewest students? (a) Maths (b) Art (c) English (d) Science
25. 25.Students who chose each subject
    Maths: 175
    Science: 75
    English: 125
    Hindi: 50
    Art: 75
    How many students are there in all?
26. 26.Mangoes sold by a fruit seller
    Mon: 10
    Tue: 35
    Wed: 20
    Thu: 20
    Fri: 15
    How many more mangoes are there for Tue than for Mon?
27. 27.Students who chose each subject
    Maths: 160
    Science: 80
    English: 240
    Hindi: 160
    Art: 160
    How many more students are there for Hindi than for Science?
28. 28.Mangoes sold by a fruit seller
    Mon: 60
    Tue: 30
    Wed: 40
    Thu: 20
    Fri: 50
    Which day has the fewest mangoes? (a) Mon (b) Fri (c) Thu (d) Wed
29. 29.Books sold by a shop
    Mon: 120
    Tue: 270
    Wed: 30
    Thu: 90
    Fri: 90
    Which day has the fewest books? (a) Thu (b) Tue (c) Mon (d) Wed
30. 30.Books sold by a shop
    Mon: 60
    Tue: 30
    Wed: 60
    Thu: 105
    Fri: 45
    What is the average number of books per day?
31. 31.Students who chose each subject
    Maths: 200
    Science: 350
    English: 200
    Hindi: 150
    Art: 100
    Which subject has the fewest students? (a) Art (b) Maths (c) Hindi (d) English
32. 32.Students who chose each subject
    Maths: 75
    Science: 105
    English: 45
    Hindi: 30
    Art: 45
    How many more students are there for Maths than for Art?
33. 33.Books sold by a shop
    Mon: 40
    Tue: 30
    Wed: 40
    Thu: 50
    Fri: 40
    Which day has the fewest books? (a) Fri (b) Mon (c) Tue (d) Thu
34. 34.Mangoes sold by a fruit seller
    Mon: 20
    Tue: 20
    Wed: 20
    Thu: 30
    Fri: 10
    The number for Mon is what percent of the total?
35. 35.Books sold by a shop
    Mon: 100
    Tue: 100
    Wed: 100
    Thu: 125
    Fri: 75
    The number for Tue is what percent of the total?
36. 36.Trees planted by each class
    Class 6: 320
    Class 7: 40
    Class 8: 200
    Class 9: 120
    Class 10: 120
    How many trees are there in all?
37. 37.Students who chose each subject
    Maths: 150
    Science: 100
    English: 200
    Hindi: 250
    Art: 300
    The number for English is what percent of the total?
38. 38.Books sold by a shop
    Mon: 120
    Tue: 60
    Wed: 45
    Thu: 30
    Fri: 45
    How many books are there in all?
39. 39.Visitors to a science museum
    Jan: 30
    Feb: 70
    Mar: 40
    Apr: 40
    May: 20
    What is the average number of visitors per month?
40. 40.Books sold by a shop
    Mon: 60
    Tue: 20
    Wed: 50
    Thu: 30
    Fri: 40
    What is the difference between the highest and the lowest number of books?

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