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Data Interpretation Question and Answers

Important points to remember :


Data Interpretation questions are based on information given in tables and graphs. These questions test your ability to interpret the information presented and to select the appropriate data for answering a question.

Read the given statement carefully and understand clearly. Breakdown lengthy questions into smaller parts and eliminate impossible choices.

Graphs: There are four types of graphs. i) Circle Graphs ii) Line Graphs iii) Bar Graphs and iv) Cumulative Graphs.


Solved Examples:

I. Directions (Qs. 1-5): Study the following table and answer the questions given below it.

Production of sugar by six major production units of India in Million Tonnes

Data Interpretation Table
  1. In which month the unit B has a contribution of approximately 15% in the total sugar production?
    1) August    2) June   3) July   4) April

  2. Which of the following units shows continuous increase in production of sugar over months?
    1) A   2) B   3) C   4) D

  3. In the case of Unit E, in which of the following pairs of months the production of sugar was equal?
    1) April & June   2) June & July   3) July & August   4) April & May

  4. In the month of June, how many units have a share of more than 25% of the total production of sugar?
    1) one   2) Three   3) Two   4) Four

  5. What was approximate percentage decrease in sugar production of unit B in June as compared to April?
    1) 8 %   2) 1 0%   3) 1 5%   4) 1 8%

  6. Ans: 1 . (3) Total production in April
    = 310+180+169+137+140+120=1056
    15% of 1056 = 15/100x1056 = 158.4
    Total Production in June
    = 320 + 160 + 188 + 173 + 135 + 130 = 1106
    15% 1106 = 15/100x1106 = 165.9
    Total production in July
    = 326+167+187+146+130=1136
    15% of 1136 = 15/100x1136 = 170.4
    Total Production in August
    = 327+150+185+178+145+128= 1113
    15% of 1113 = 15/100x1113 = 166.95 ~ 167
    ie, in Month July, the Unit B has a contribution of approximately 15% in the total sugar production.

    2 . (1) Unit A shows continuous increase in production of sugar over months.

    3 . (4) In Unit E, the pair of months that shows equal sugar production is April and May.

    4 . (1) Total Production in June =
    320+160+188+173+135+130 = 1106
    25% of 1106= 25/100x1106 = 276.5 units
    ie, Unit A shows more than 25% of the total production of sugar in the month June.

    5 . (2) In unit B, the production in June = 160 the production in April = 180 units Decrease in percentage
    =(180-160/180)100 = 20/180x100
    = 11.11% ~ 10%

    II. Directions (Qs. 6-10): Study the following graph carefully and answer the questions given below it:

    Table Graph
  7. What was the price difference between commodity A and B in the month of April?
    1) 250   2) 150   3) 100   4) 90

  8. What was the difference in average price between commodity A and B from April to August?
    1) 86   2) 75   3) 95   4) 85

  9. In which of the following pairs of months was the price of commodity A same?
    1) January - March   2) May-June   3) April- August   4) July-August

  10. What was the approximate percentage decrease in the price of commodity A from March to April?
    1) 1   2) 9   3) 14   4) 12

  11. What was the percentage increase in price of commodity B from January to April?
    1) 15   2) 20   3) 17   4) 10

  12. Ans: 6 (2).The price of commodity A in April = 1000
    The price of commodity B in April = 1150
    Difference = 1150 - 1000 = 150

    7) (b). Average price of commodity A from April to August
    = 1000 1050 975 900 1000/5 = 4925/5 = 985
    Average price of commodity B from April to August
    = 1150 1100 1100 1000 950/5 = 5300/5 = 1060
    Difference = 1060 - 985 = 75

    8)(3) Price of commodity A in April = 1000
    Price of commodity A in August = 1000
    Therefore, in April - August the price of commodity A was same.

    9)(4) Price of commodity A in March = 1125
    Price of commodity A in April = 1000
    Decrease
    = (1125-1000/1125)100 = 125/1125x100
    = 11.11% = 12%

    10)(1)Price of commodity B in January= 1000
    Price of commodity B in April = 1150
    Increase
    = (1150-1000/1000)100
    = 150x100/1000 = 15%

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