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 Feel the powers! (Posted on 2005-09-21)
Each of the 8 letters below corrosponds to a different digit 1 through 9 and the remaining number is one less than w. Given the following four statements, what digit does each letter represent?

• c^i * i^c = k*(k-1);
• w^n * n^w = c*(c-1);
• o = e^2 - c^2;
• r^i = e^c;
[note: ^ means exponentitation]

 See The Solution Submitted by Josh70679 Rating: 3.5000 (2 votes)

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 Solution | Comment 1 of 3
`Very cute solution! :)`
`n i c e   w o r k 1 2 3 4 5 6 7 8 9 `

Reasoning:
There are only two potential solutions to the first two equations
(1,6,3) and (2,3,9)
Since the 3 is common between them, c=3 and therefore i=2, k=9. Since the missing number is 1 less than w, of the two remaining values, w=6 and n=1. That makes the missing value the five and thus the only remaining single digit difference in squares (eqn 3) is 7 so o=7 and e=4. The only remaining value makes r=8, which does satisfy equation 4.

Edited on September 22, 2005, 12:14 pm

Edited on September 22, 2005, 12:17 pm
 Posted by Bob Smith on 2005-09-21 16:57:50

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