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VTMO 2026 - Grade 8 - Semifinal - SET 10 - Self-study Question 2

VTMO · VTMO 2026 - Grade 8 - Semifinal - SET 10 - Self-study

Question 2

Find the three-digit password, each digit from 0 to 9. The clues give exact counts: 923 has one correct digit in its correct position; 958 has one correct digit in the wrong position; 379 has two correct digits, both in wrong positions; 142 has no correct digit; 127 has one correct digit in the wrong position.

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