Multiple choice

The table below provides information about the number of units produced in a factory for four different products (Product A, Product B, Product C, Product

  1. The sum of the number of units of Product A in 2018 and 2019 exceeds the sum of the number of units of Product D in 2020 and 2021 by 200.

  2. The sum of the number of units of Product A in 2018 and 2019 is less than the sum of the number of units of Product D in 2020 and 2021 by 20.

  3. The sum of the number of units of Product A in 2018 and 2019 exceeds the sum of the number of units of Product D in 2020 and 2021 by 180.

  4. The sum of the number of units of Product A in 2018 and 2019 is less than the sum of the number of units of Product D in 2020 and 2021 by 10.
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C Correct answer
AI explanation

Calculate the sum of Product A units for 2018 and 2019: 520 + 530 = 1050. Next, calculate the sum of Product D units for 2020 and 2021: 430 + 440 = 870. The difference between these two sums is 1050 minus 870, which equals 180, showing the first sum exceeds the second by 180.

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