In the following questions, find the odd word/letters/number pair from the given alternatives.
In (11, 121),
$$(11)^2$$ = 121
In (25, 625),
$$(25)^2$$ = 625
In (12, 141),
$$(12)^2$$ = 144
In (15, 225),
$$(15)^2$$ = 225
$$therefore$$ (12, 141) is odd.
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