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Four-Digit Number (Posted on 2003-04-26)

Find a four-digit number with four different digits, that is equal to the number formed by its digits in descending order minus the number formed by its digits in ascending order.

See The Solution Submitted by Ravi Raja

Rating: 3.1667 (6 votes)

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| Comment 9 of 15 |

Sorry about that. I must have deleted the part where I explained it. x and y are the first and last number of the possible four-digit number.

Posted by Gamer on 2003-04-28 01:39:25

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