perplexus.info :: Just Math : The reversed numbers

The reversed numbers (Posted on 2005-09-16)

Both a and b are four-digit numbers and one is obtained from the other by reversing the digits.

Determine them, knowing that 2 * (a + b) = 5 * (b - 1).

Show your reasoning.

See The Solution Submitted by pcbouhid

Rating: 4.5000 (4 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

re: Solution

| Comment 4 of 8 |

(In reply to Solution by Andre)

I got two answers (brute force): (3002, 2003) and (9536, 6359)

Posted by Leming on 2005-09-16 19:28:03

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