Four numbers have been given, out of which three are alike in some manner and one is different. Select the one that is different.
The logic here is
$$676=26^2$$
$$216=6^3$$
$$125=5^3$$
$$729=9^3$$
The numbers 216, 125, 729 are cubes of different numbers whereas 676 is square of a number.
$$\therefore\ $$676 is the different one among the given numbers.
Hence, the correct answer is Option A
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