Question : Directions: In the following question, select the one which is different from the other three alternatives.
Option 1: 144
Option 2: 125
Option 3: 343
Option 4: 64
Correct Answer: 144
Solution :
Let's check the options –
First option:
144; 144 is not a perfect cube.
Second option:
125; 125 = 5
3
; 125 is a perfect cube.
Third option:
343; 343 = 7
3
; 343 is a perfect cube.
Fourth option:
64; 64 = 4
3
; 64 is a perfect cube.
So, the first option is different from others as the 144 is a perfect square, not a perfect cube. Hence, the first option is correct.
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