Pie chart

Pie chart

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Data Interpretation

Introduction to Data Interpretation
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Data Sufficiency

Direction: The pie-chart drawn below shows the expenses of a family on various items and its savings during the year 2001. Study the graph and answer the questions given below :

  1. Maximum expenditure of the family was on








  1. View Hint View Answer Discuss in Forum

    From above given graph ,
    Maximum expenditure of the family is on food, which is 23%

    Correct Option: A

    From above given graph ,
    According to given option in question , Maximum expenditure of the family is on food ,which is 23%.

Direction: The pie-chart provided below gives the distribution of land (in a village) under various food crops. Study the pie-chart carefully and answer the questions.

  1. If 10% of the land reserved for rice be distributed to wheat and barley in the ratio 2 : 1, then the angle corresponding to wheat in the new pie-chart will be:








  1. View Hint View Answer Discuss in Forum

    ∴ New corresponding angle for wheat = Old corresponding angle for wheat + Increase in the corresponding angle of wheat

    Correct Option: B

    From above given chart ,
    Corresponding angle for wheat is represented by 72°
    10% of 72° = 7.2°
    Ratio of wheat and barley = 2 : 1
    ∴ Increase in the corresponding angle of wheat

    =2x 7.2 = 4.8°
    3

    ∴ New corresponding angle for wheat = Old corresponding angle for wheat + Increase in the corresponding angle of wheat
    = 72° + 4.8° = 76.8°

  1. The combination of three crops which contribute to more than 50% of the total area under the food crops is:








  1. View Hint View Answer Discuss in Forum

    From above given chart ,
    ∴ 100% = 360°
    ∴ 50% = 180°

    Correct Option: A

    From above given chart ,
    ∴ 100% = 360°
    ∴ 50% = 180°
    ∴ wheat + rice + maize = 72° + 72° + 45° = 189° > 180°
    Hence the total area of wheat , rice and maize food crops is more than 50% of the total area of given food crops .

  1. If the total area under bajra was 300 acres, then the total area (in hundred acres) under rice and barely together is :








  1. View Hint View Answer Discuss in Forum

    As per given pie chart , we can see that
    Angle for rice = 72°
    Angle for barley = 36°
    The total angle for rice and barley = 72° + 36° = 108°
    Total area of bajra is represented by 18° = 300 acres

    Correct Option: A

    As per given pie chart , we can see that
    Angle for rice = 72°
    Angle for barley = 36°
    The total angle for rice and barley = 72° + 36° = 108°
    Total area of bajra is represented by 18° = 300 acres
    ∴ The total area in angle of rice and barely = 108°

    ∴ 1 ° = 300 acres
    18

    ∴ The total area in angle of rice and barely = 108°
    ∴ The total area in acres of rice and barely = 300x 108 = 1800 acres
    18

  1. If the production of rice is 5 times that of jowar and the production of jowar is 2 times that of bajra, then the ratio between the yield per acre of rice and bajra is :








  1. View Hint View Answer Discuss in Forum

    Let, the production of bajra be p tonnes.
    ∴ Required ratio = The yield per acre of rice : The yield per acre of bajra

    Correct Option: A

    Let, the production of bajra be p tonnes.
    ∴ Production of jowar = 2p tonnes
    ⇒ Production of rice = 10p tonnes
    ∴ Required ratio = The yield per acre of rice : The yield per acre of bajra

    The yield per acre of rice = 10p
    72

    The yield per acre of bajra =  p
    18

    ∴ Required ratio =10p : p= 5 : 2
    7218