Bar graph

Bar graph

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Data Interpretation

Introduction to Data Interpretation
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Data Sufficiency

Direction: Study the information given in each of these questions and then answer the questions.

  1. Based on given graph, Answer the below question.
    Out of a total 550 students, how many students did not prefer Math or Economics?












  1. View Hint View Answer Discuss in Forum

    ∵ Total numbers of students do not prefer Maths or Economics = % of Total numbers of students do not prefer Maths or Economics x Total numbers of students

    Correct Option: D

    From above given graph , we have
    Total numbers of students = 550
    Numbers of students prefer Maths = 12 %
    Numbers of students prefer Economics = 16 %
    Total numbers of students prefer Maths or Economics = 12 + 16 = 28
    Total numbers of students do not prefer Maths or Economics = (100 - 28 )% = 72%
    ∴ Total numbers of students do not prefer Maths or Economics = % of Total numbers of students do not prefer Maths or Economics x Total numbers of students

    ∴ Total numbers of students do not prefer Maths or Economics = 72 x 550 = 396
    100

Direction: Study the following graph carefully to answer the questions that follow : Distance (in Km) traveled by 5 different trucks in a day.

  1. What is the ratio of the distance traveled by Truck A to the distance traveled by Truck D?










  1. View Hint View Answer Discuss in Forum

    Required ratio = The distance traveled by Truck A : The distance traveled by Truck D

    Correct Option: C

    As per given above graph , we have
    The distance traveled by Truck A = 475
    The distance traveled by Truck Truck D = 425
    Required ratio = The distance traveled by Truck A : The distance traveled by Truck D
    Required ratio = 475 : 425 = 19 : 17

  1. The distance travelled by Truck E is approximately what percent of the total distance travelled by Track B and C together?










  1. View Hint View Answer Discuss in Forum

    Required percentage = Total distance covered by Ex 100 %
    Total distance covered by B and C together

    Correct Option: D

    As per given graph , we can see that
    Total distance covered by E = 575 Km , Total distance covered by B and C together = 350 + 550 = 900 Km

    Required percentage = Total distance covered by Ex 100 %
    Total distance covered by B and C together

    = 575x 100 ≈ 64% ≈ 62 %
    900

  1. What is the average distance traveled by all the trucks together?










  1. View Hint View Answer Discuss in Forum

    Required Average distance covered by all the trucks = Total distance covered by all the trucks
    Total number of the trucks

    Correct Option: D

    Given in the bar graph :-
    Distance traveled by Trucks A = 475 , B = 350, C = 550, D = 425, E = 575,
    Total distance covered by all the trucks = 475 + 350 + 550 + 425 + 575 = 2375 Km
    Total number of the trucks = 5

    Required Average distance covered by all the trucks = Total distance covered by all the trucks
    Total number of the trucks

    Required Average distance covered by all the trucks = 2375= 475
    5

Direction: Study the following graph and answer the questions given below:

  1. If in April the crude oil price would have been lesser than the given by Rs. 223 per metric tonne then how much would have been the percentage increase in price over the earlier month?








  1. View Hint View Answer Discuss in Forum

    In April, crude oil price = Rs. 4800 per metric tonne.
    So, reduced crude oil price = 4800 - 223 = Rs. 4577

    Correct Option: D

    In April, crude oil price = Rs. 4800 per metric tonne.
    So, reduced crude oil price = 4800 - 223 = Rs. 4577
    Hence, required percentage = 4577 - 3980/3980 x 100 = 15%