What is the largest 4-digit number using the digits 3, 7, 1, 9 (each used once)?
- A.9713
- B.9731 ✓
- C.9371
- D.7931
Explanation: Arranging the digits from largest to smallest gives 9731.
Class 6 IMO Mathematics Olympiad practice · Number Sense · Place Value & Number Patterns
← All Place Value & Number Patterns questions