PYQ Vault

Percentage increase or decrease of one series between two periods

This type of question, asked 9 times: 18 Jul 2023 S1, 18 Jul 2023 S2, 21 Jul 2023 S4, 26 Jul 2023 S3, 26 Jul 2023 S4, 9 Sep 2024 S3, 17 Sep 2024 S3, 23 Sep 2024 S3, 24 Sep 2024 S1. All 9 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    18 Jul 2023 S1

    57
    The number of sport bicycles sold by a shopkeeper in five years is shown in the following bar graph. What is the percentage of decrease in the sale of sport bicycles in the year 2021 over that in the previous year?

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  2. Question 2

    18 Jul 2023 S2

    66
    Study the following bar chart and answer the question. Find the percentage increase of sales of XYZ phones from 2019 to 2020? (Rounded up to 2 decimal places)

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  3. Question 3

    21 Jul 2023 S4

    61
    Study the given graph carefully and answer the question that follows. The decrease in imports in 1971 was what percentage of the imports in 1970 (rounded off to the nearest integer)?

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  4. Question 4

    26 Jul 2023 S3

    71
    Study the given bar-chart and answer the question that follows. The bar-chart shows the production of maize by a state (in 1000 tonnes) over the years. What was the percentage increase in the production of maize in 2019 compared to that in 2017?

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  5. Question 5

    26 Jul 2023 S4

    54
    Study the graph carefully. The decrease in imports in 1976 was what percent of the imports in 1975?

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  6. Question 6

    9 Sep 2024 S3

    74
    The following table shows the sale (in thousands) of different types of helmets by a shop over the given years.
    Type of Helmet/Year19981999200020012002
    A7845566388
    B5864786068
    C4654586468
    D7665727882
    E8766748084
    What was the percentage increase in the sale of Helmets C in 2002 as compared to that in 1999?

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  7. Question 7

    17 Sep 2024 S3

    58
    The following bar graph shows the number of students who passed the exam of GATE in the given years. What was the percentage increase in the number of students in 2019 over 2018 (rounded off to two decimal places)?

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  8. Question 8

    23 Sep 2024 S3

    55
    The monthly production of electric bulbs by a company during the second half of the year 2021 is shown by the following bar graph. Study the bar graph carefully and answer the question given below. What is the percentage decrement in the production of electric bulbs in October as compared to the production in July? (Correct up to two decimal places.)

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  9. Question 9

    24 Sep 2024 S1

    56
    The given table shows the percentage of students passing out of college M over five years.
    YearsCollege M
    201868
    201972
    202040
    202180
    202292
    What is the percentage increase in the number of students passing out of college M in the year 2022 as compared to the previous year?

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