If 2 x 6 = 4, 4 x 1 = 7 and 8 x 3 = 1 find the value of 5 x 5.

Please help me find some logical pattern for If 2 x 6 = 4, 4 x 1 = 7 and 8 x 3 = 1

find the value of 5 x 5.

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Can you provide some context? –  dtldarek Dec 11 '12 at 9:16
High school level logic puzzle. –  skullpatrol Dec 11 '12 at 9:50
A reason why you are down-voting this question would be appreciated. –  skullpatrol Dec 11 '12 at 11:03
Well it doesn't seem to be modular arithmetic, and there aren't enough constraints for it to just be some sort of substitution of symbols type thing. Maybe I'm overthinking it. –  Seamus Dec 11 '12 at 11:06
Well, I cannot tell so far, but I guess it could be the x-axis of some elliptic curve, with addition the usual one on it... Of course I cannot deny such a possibility.:) –  awllower Dec 11 '12 at 16:35

I found some form of logic, this might not be the solution you want to find, with only three examples there are many things possible. Look at the following pattern:

2+6+4=12

4+1+7=12

8+3+1=12

Then 5x5=2

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That is a possible answer, thank you. –  skullpatrol Dec 11 '12 at 11:21