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Data Interpretation

CDS Maths. Try each one first, then open its answer.

Top 10 CDS PYQs to practise first

The questions and kinds of question asked most often come first. Each one says how often and in which papers.

  1. Question 1

    This type asked 4 times: CDS 2 2016, CDS 1 2018, CDS 1 2020, CDS 2 2026. This one: CDS 2 2026 See all 4 of this type

    100
    The following data gives the investment in different categories by a governmental organization :
    Sr. No.ItemInvestment (Rs. in crores)
    1Science, Technology and Environment7,200
    2Transport and Communication3,000
    3Rural Development1,500
    4Industry and Minerals3,800
    5Agricultural Services2,500
    Which of the following statements is/are correct ? I. The percentage investment in the 'Science, Technology and Environment' category is 40%. II. The angle (in degrees) for 'Agricultural Services' in a pie diagram is 50∘50^\circ. Select the answer using the code given below :

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  2. Question 2 (case study, 2 parts)

    This type asked 3 times: CDS 1 2021, CDS 2 2021, CDS 1 2022. This one: CDS 1 2022 See all 3 of this type

    Direction : Consider the following data for the two (02) items that follow : The expenditure (in lakhs of rupees) of a company for the years 2011 to 2017 is as under :
    YearExpenditure
    201113.8
    201215.4
    201310.4
    201413.1
    201515.8
    201617.2
    201719.4
    93
    How many times the increase in expenditure in a year exceeded by more than 15% as compared to previous year?

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    94
    In which year, the percentage increase in expenditure is maximum as compared to its previous year?

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  3. Question 3

    Asked once: CDS 1 2020 (same type asked 4 times) See all 4 of this type

    36
    In a pi-diagram there are three sectors. If the ratio of the angles of the sectors is 1:2:31 : 2 : 3, then what is the angle of the largest sector ?

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  4. Question 4 (case study, 4 parts)

    Asked once: CDS 2 2021 (same type asked 3 times) See all 3 of this type

    Consider the following for the next four (04) items that follow : The following Bar-Chart gives the production of cars by three different companies XX, YY and ZZ in different years :
    95
    The percentage increase in the total production of cars from 2014 to 2018 was

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    96
    Consider the production of each company separately. In how many instances was the percentage increase in production of cars over the previous year's production greater than 20% ?

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    97
    In which year was the percentage increase in production of cars minimum as compared to its previous year ?

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    98
    In one of the years the percentage increase in production of cars was minimum as compared to its previous year. What was the minimum percentage ?

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  5. Question 5

    Asked once: CDS 1 2018 (same type asked 4 times) See all 4 of this type

    51
    A Pie Chart is drawn for the following data :
    SectorPercentage
    Agriculture and Rural Development12.9
    Irrigation12.5
    Energy27.2
    Industry and Minerals15.4
    Transport and Communication15.9
    Social Services16.1
    What is the angle (approximately) subtended by the Social Services Sector at the centre of the circle?

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  6. Question 6

    Asked once: CDS 1 2021 (same type asked 3 times) See all 3 of this type

    91
    Consider the following data with regard to production of cars (in lakhs) :
    Year 2015Year 2016
    Country AA3538
    Country BB4547
    Country CC8893
    Country DD7579
    Country EE5860.9
    In which of the countries, the production of cars has increased by more than or equal to 5% in 2016 over 2015?

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  7. Question 7

    Asked once: CDS 2 2016 (same type asked 4 times) See all 4 of this type

    93
    A pie chart depicts the classification of total funds of an organization according to different sources of funds. A particular sector of pie chart for corporate tax has 108∘108^\circ angle at the centre. What is the percentage of income from corporate tax to total funds ?

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  8. Question 8 (case study, 3 parts)

    Asked once: CDS 1 2025

    Consider the following for the next three (03) items that follow : Study the following Pie Charts : Chart-I : Number of houses : 1,20,000 Chart-II : Population : 21,00,000 Chart-III : Number of families : 3,60,000
    96
    On an average, how many persons live in every pucca house ?

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    97
    If 5000 more Kutcha houses are built, then what will be approximate change in angle for Kutcha houses in Pie Chart-I ?

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    98
    If 300 families from the “Houseless” category shift into Kutcha houses, what will be the average number of families in every Kutcha house ?

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  9. Question 9 (case study, 3 parts)

    Asked once: CDS 1 2025

    Consider the following for the next three (03) items that follow : Circulation figures (in thousands) of different newspapers (A, B, C, D, E) for five years are given below :
    YearABCDE
    2019201015820
    20201212181212
    20212414171415
    2022261016159
    20232216141611
    93
    In which of the given years was the circulation of the newspaper D close to its average circulation over all the years ?

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    94
    In which of the years from 2019 to 2022 was the circulation of the newspaper D close to the average circulation of all the newspapers in that year ?

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    95
    How many cases are there in which average of the circulation for an individual newspaper was more than the average of the circulation of all the newspapers ?

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  10. Question 10 (case study, 3 parts)

    Asked once: CDS 1 2024

    Consider the following for the next three (03) items that follow : The following Pie-Chart-I shows the people migrating to Delhi from different Indian States (P, Q and R are three different States and S is the combined group of other States) and Pie-Chart-II indicates the different age groups A, B, C and D of these migrating people for each State.
    83
    If the people coming from a particular State belonging to S are 15% and 24,000 in number, then what is the total number of migrating people belonging to the age group B ?

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    84
    What is the maximum of differences between the number of people coming from different groups P, Q, R and S ?

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    85
    What is the difference between number of people coming from R having age group A and those coming from Q having age group D ?

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