Ex 1.2, Question 05-08

(5) Find the difference between the greatest and the least 5-digit number that can be written using the digits 6, 2, 7, 4, 3 each only once

We have been provided with 5 digits 6,2,7,4,3 and these digits should not be repeated.
Greatest 5 digit number possible: 76432
Least 5 digit number possible: 23467

Difference between greatest and the least number:

Hence, 52965 is our answer

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