A magician asked a spectator to think of a three-digit number ABC and then to tell him the sum of numbers ACB, BAC, BCA, CAB, and CBA. He claims that when he knows this sum he can determine the original number. Is that so?

(In reply to Simplest answer by Jer)

w r o n g...

YOU ADD ONLY 5 OUT 6 POSSIBLE PERMUTATION,

There is an easy and practical method to evaluate ABCD.

Posted by Ady TZIDON on 2013-02-23 14:31:31