Question : Directions: In the following question, select the one which is different from the other three alternatives.
Option 1: 512
Option 2: 625
Option 3: 1296
Option 4: 2401
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Correct Answer: 512
Solution : Let's check the options – First option: 512; 512 is not a square of any number. Second option: 625; 625 is the square of 25. Third option: 1296; 1296 is the square of 36. Fourth option: 2401; 2401 is the square of 49.
So, the first option is different from the other three options as 512 is not a perfect square. Hence, the first option is correct.
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Option 2: 2, 3, 4, 9
Option 3: 3, 2, 4, 8
Option 4: 4, 2, 3, 9
Option 1: 16
Option 2: 56
Option 3: 128
Option 4: 2
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Option 2: 3463
Option 3: 6514
Option 4: 5725
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Option 2: 91
Option 3: 144
Option 4: 225
Option 1: 38
Option 2: 39
Option 3: 40
Option 4: 41
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