If today is Thursday, what day was it 20 days ago?
- A.Thursday
- B.Friday ✓
- C.Saturday
- D.Sunday
Explanation: 20 ÷ 7 = 2 remainder 6, so 20 days ago was 6 days before Thursday: Friday.
Class 6 IMO Mathematics Olympiad practice · Analytical Reasoning · Calendar Reasoning
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