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49, 36, 25 and 64 are all squares of whole numbers.

64 = 82

49 = 72

36 = 62

25 = 52

The square root of 72 is not a whole number, but approximately 8.48.

Thus 72 is the "odd one out".

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โˆ™ 2010-03-10 17:25:26
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Q: What is the odd one out 49 36 72 25 64?
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