Mixed Data: Test 1

10 questions · 15 minutes · scoring and calculator rules shown before you begin

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Mixed Data Test 1: questions and answers

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  1. Study the table and answer the questions. Production of cars (in thousands) by four companies over five years.

    Question data
    Company20172018201920202021
    A7035452555
    B7560403565
    C5555653035
    D7580454560
    1. What is the total production of company D over the five years?
    1. 305
    2. 300
    3. 290
    4. 320

    Reference: q-13a5d806-641 · Report this question

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    Answer: A. 305

    75 + 80 + 45 + 45 + 60 = 305.
  2. 2. What is the average production per year of company C?
    1. 48
    2. 60
    3. 46
    4. 42

    Reference: q-ca02165f-632 · Report this question

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    Answer: A. 48

    Total = 240. Average = 240 / 5 = 48.
  3. 3. What is the ratio of the production of company C in 2020 to that in 2017?
    1. 11 : 6
    2. 1 : 2
    3. 6 : 11
    4. 7 : 11

    Reference: q-67ee037f-652 · Report this question

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    Answer: C. 6 : 11

    30 : 55 = 6 : 11.
  4. 4. By what percent did the production of company A increase from 2020 to 2021?
    1. 110%
    2. 135%
    3. 120%
    4. 125%

    Reference: q-c8de783b-654 · Report this question

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    Answer: C. 120%

    Increase = 55 − 25 = 30. Percentage = 30 / 25 × 100 = 120%.
  5. 5. In which year was the total production of all four companies the highest?
    1. 2018
    2. 2019
    3. 2021
    4. 2017

    Reference: q-6df0c149-652 · Report this question

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    Answer: D. 2017

    Yearly totals: 2017 = 275, 2018 = 230, 2019 = 195, 2020 = 135, 2021 = 215. The highest is in 2017.

  6. Study the table and answer the questions. Export of tea (in thousand tonnes) by four firms over five years.

    Question data
    Firm20202021202220232024
    A6565205550
    B9030703530
    C6590353030
    D5530552520
    6. What is the total export of firm D over the five years?
    1. 200
    2. 175
    3. 185
    4. 195

    Reference: q-a72d9fc-628 · Report this question

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    Answer: C. 185

    55 + 30 + 55 + 25 + 20 = 185.
  7. 7. What is the average export per year of firm A?
    1. 51
    2. 45
    3. 55
    4. 63.75

    Reference: q-dcfee6b3-619 · Report this question

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    Answer: A. 51

    Total = 255. Average = 255 / 5 = 51.
  8. 8. What is the ratio of the export of firm C in 2020 to that in 2024?
    1. 13 : 6
    2. 6 : 13
    3. 13 : 7
    4. 7 : 3

    Reference: q-84d51819-639 · Report this question

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    Answer: A. 13 : 6

    65 : 30 = 13 : 6.
  9. 9. By what percent did the export of firm A increase from 2022 to 2024?
    1. 150%
    2. 130%
    3. 180%
    4. 60%

    Reference: q-9b6ca758-641 · Report this question

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    Answer: A. 150%

    Increase = 50 − 20 = 30. Percentage = 30 / 20 × 100 = 150%.
  10. 10. In which year was the total export of all four firms the highest?
    1. 2024
    2. 2020
    3. 2023
    4. 2021

    Reference: q-90cd9fe-638 · Report this question

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    Answer: B. 2020

    Yearly totals: 2020 = 275, 2021 = 215, 2022 = 180, 2023 = 145, 2024 = 130. The highest is in 2020.

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