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Write the smallest and greatest 5-digit number using digits 2, 9, 0, 5, 1 (without repeating any digit).

 

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  1. To form the smallest number, arrange the digits in ascending order, but 0 cannot be the first digit (because the number would become a 4-digit number). Ascending order = $0, 1, 2, 5, 9$. So, the number formed $10259$.
  2. To form the largest number, arrange the digits in descending order. The descending order = $9, 5, 2, 1, 0$. So, the number formed $95210$.
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Saniya Khatri

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