Question

Difficulty: EasyTables and Data Grids

The table below shows the annual wheat production (in metric tonnes) across four agricultural zones from 2021 to 2023:

Agricultural Zone202120222023
Zone A150180210
Zone B200250300
Zone C100120150
Zone D300330360

Which of the following statements regarding the data given in the table are correct?

  1. Zone A registered a 20%20\% growth in wheat production from 2021 to 2022.Answer
  2. In 2023, the wheat production of Zone B was exactly double that of Zone C.Answer
  3. C
    The percentage increase in wheat production for Zone D from 2021 to 2022 was 15%15\%.
  4. D
    Zone C produced a total of 400400 metric tonnes of wheat over the three-year period from 2021 to 2023.

Answer

The correct statements are that Zone A registered a 20%20\% growth in wheat production from 2021 to 2022, and in 2023, the wheat production of Zone B was exactly double that of Zone C.
Zone A's production grew from 150150 to 180180 tonnes, which is a growth of 30150×100%=20%\frac{30}{150} \times 100\% = 20\%. In 2023, Zone B produced 300300 tonnes while Zone C produced 150150 tonnes, making Zone B's production exactly double that of Zone C.

Step-by-Step Solution

1
Calculate the percentage growth for Zone A from 2021 to 2022.
Percentage increase = 180150150×100%=20%\frac{180 - 150}{150} \times 100\% = 20\%. Statement is correct.
To verify the growth statement for Zone A using the base year 2021 value (150150).
2
Compare Zone B and Zone C production figures for the year 2023.
Zone B produced 300300 tonnes and Zone C produced 150150 tonnes. Ratio = 300150=2\frac{300}{150} = 2. Statement is correct.
To check if Zone B production was double that of Zone C in 2023.
3
Calculate the percentage increase for Zone D from 2021 to 2022.
Percentage increase = 330300300×100%=10%15%\frac{330 - 300}{300} \times 100\% = 10\% \neq 15\%. Statement is incorrect.
To evaluate the claim regarding Zone D's percentage growth.
4
Calculate the total wheat production of Zone C across 2021, 2022, and 2023.
Total = 100+120+150=370100 + 120 + 150 = 370 tonnes 400\neq 400 tonnes. Statement is incorrect.
To verify the three-year total production claim for Zone C.

Key Concept

Tabular Data Interpretation and Percentage Growth Analysis
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