perplexus.info :: Numbers : Four-Digit Number

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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Puzzle Answer

Comment 15 of 15 |

The required number is 6174, since:

7641

- 1467

---------------

6174

------------

Will post explanation later

Edited on September 5, 2022, 1:09 am

Posted by K Sengupta on 2022-09-05 01:03:02

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