Three of the following four number-pairs are alike in a certain way and one is different. Pick the number-pair that is different from the rest.
All the options except A , follow this pattern :
x : $$x^2 - 1$$
So, 7:46 (x :Â $$x^2 - 3$$) follows other pattern.
So , the answer would be option a) 7:46.
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