In the following question, select the odd number pair from the given alternatives.
The logic here is
226 = 15$$^2$$ + 1
257 = 16$$^2$$ + 1
325 = 18$$^2$$ + 1
360 = 19$$^2$$ - 1
All the number pairs are in the form of (n - n$$^2$$+1) except 19 - 360.
$$\therefore\ $$19 - 360 is the odd one among the given number pairs.
Hence, the correct answer is Option C
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