Study the following table and answer the questions. The difference between the…
2024
Study the following table and answer the questions.
The difference between the total number of students playing Basketball from the all schools and the total number of students playing Cricket from all the schools is:
- A.
23
- B.
35
- C.
22
- D.
12
Show answer & explanation
Correct answer: B
Concept:
When a table lists per-school figures for several games, the total number of students playing a given game across all schools is the sum of that game's entire row. To find the gap between two games overall, sum each game's row completely across every school, then subtract one row total from the other.
Application:
School | A | B | C | D | E |
|---|---|---|---|---|---|
Basketball | 200 | 195 | 245 | 200 | 225 |
Cricket | 150 | 200 | 250 | 230 | 200 |
Sum the Basketball row across all five schools: 200 + 195 + 245 + 200 + 225 = 1065.
Sum the Cricket row across all five schools: 150 + 200 + 250 + 230 + 200 = 1030.
Subtract the Cricket total from the Basketball total: 1065 - 1030 = 35.
Cross-check:
Add the five school-by-school differences (Basketball minus Cricket) instead of the row totals: (200-150) + (195-200) + (245-250) + (200-230) + (225-200) = 50 - 5 - 5 - 30 + 25 = 35. The two independent methods agree, confirming the difference.