A table shows visitors to a museum: Monday 90, Tuesday 120, Wednesday 75, Thursday 100. Which day's visitor count is closest to the 4-day average?
- A.Monday
- B.Tuesday
- C.Wednesday
- D.Thursday ✓
Explanation: Average = (90+120+75+100)÷4 = 96.25. Thursday (100) is only 3.75 away — the closest of all four.
Class 6 IMO Mathematics Olympiad practice · Data & Measurement · Data Handling & Presentation
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