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Digit Reversal
Submitted by Andrew and Russell Scheidegger, 12/03/1996. This article by Valerio De Angelis and Allen Stenger.
Even in fifth grade one finds questions that please the MathNerds...
Find a five digit number ABCDE such that 4 * (ABCDE) = EDCBA. The digits must be distinct, and A must not be 0.
Need a hint? Click here.
Click here for the complete solution.