1.

find the difference between the greatest and the smallest number formed by using 3,5,7,9 and 4, one digit can be used once only

Answer» LET the SMALLEST number=34579
Let the GREATEST number=97543
difference = 97543 - 34579 \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 62964


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