In the following question, four number pairs are given. The number on left side of (-) is related to the number of the right side of (-) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.
If we subtract '1' from the first number and then take the square, the pattern followed is :
$$(12-1)^2=121$$
$$(14-1)^2=169$$
$$(16-1)^2=225\neq215$$
$$(18-1)^2=289$$
=> Ans - (C)
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