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Find the odd one:
1. 27
2. 81
3. 256
4. 100

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Correct Answer - Option 1 : 27

Except 27, numbers in all other options are the perfect squares only.

27 is a perfect cube and not the square.

1) 27 = (3)3

2) 81 = (9)2

3) 256 = (16)2

4) 100 = (10)2

Hence, 27 is correct.

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