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Question
Form the greatest and smallest number using the given digits only once.
| Digits | Greatest number | Smallest number | |
| a | 1, 4, 3, 7 | ||
| b | 5, 0, 9, 3 | ||
| c | 6, 7, 1, 5 | ||
| d | 3, 2, 0, 9 | ||
| e | 7, 3, 2, 8 | ||
| f | 4, 6, 0, 2 | ||
| g | 9, 1, 4, 0 |
Solution
| Digits | Greatest number | Smallest number | |
| a | 1, 4, 3, 7 | 7431 | 1347 |
| b | 5, 0, 9, 3 | 9530 | 0359 |
| c | 6, 7, 1, 5 | 7651 | 1567 |
| d | 3, 2, 0, 9 | 9320 | 0239 |
| e | 7, 3, 2, 8 | 8732 | 2378 |
| f | 4, 6, 0, 2 | 6420 | 0246 |
| g | 9, 1, 4, 0 | 9410 | 0149 |
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