The following table shows the distribution of the number of girls enrolled in three schools A, B and C…
For School A the difference is 300 minus 200, which is 100, and for School B it is 250 minus 150, also 100. For School C it is 275 minus 100, which is 175. The minimum…
Choose your answer
The following table shows the distribution of the number of girls enrolled in three schools A, B and C over the years 2017-2021. Based on the data in the table, answer the question:
| Year | A | B | C |
|---|---|---|---|
| 2017 | 200 | 150 | 100 |
| 2018 | 150 | 225 | 250 |
| 2019 | 275 | 150 | 199 |
| 2020 | 250 | 300 | 200 |
| 2021 | 300 | 250 | 275 |
Question: The difference between the number of girls enrolled in the years 2021 and 2017 is minimum in:
Answer and explanation
Correct answer D
For School A the difference is 300 minus 200, which is 100, and for School B it is 250 minus 150, also 100. For School C it is 275 minus 100, which is 175. The minimum difference of 100 occurs in both School A and School B.
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