Question 39

Four numbers have been given, out of which three are alike in some manner and one is different. Select the one that is different.

Solution

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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