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Question
Make the greatest and the smallest 5-digit numbers using different digits in which 5 appears at ten’s place.
Solution
Given, 5 must appear at ten’s place.
Now, for the greatest number, digits (0 – 9) should be arranged in descending order, i.e. 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
The greatest number of 5 digits = 98756
and for the smallest number, digits (0 – 9) should be arranged in ascending order, i.e. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
The smallest number of 5 digits = 10253
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