Choose the number pair/group which is different from others?
In all other pairs, 2nd number = (1st number × 3) + 1.
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Choose the number which is different from others in the group?
Each of the numbers except 144, is a perfect cube.
Each of the numbers except 380, is either one less or one more than the square of a certain number
121 is the only perfect square number in the group.
Choose the pair in which the words are differently related?
In all other pairs, the two words are antonyms of each other
In all other pairs, second is the place of stay of the first.
In all other pairs, first is a product made from the second.
In all other pairs, second is a collective group of the first