Question 127

What is the difference between the greatest four digit and the smallest four digit number using the digits 2, 9, 6 and 5 (each digit can be used only once)?

Solution

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Given digits are 2,9,6,5

Smallest digit formed by given digits is = 2569

Greatest digit formed  by given digits is = 9652

 Difference between smallest and greatest digits=

 9652-2569=7083

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