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Math & Logic Puzzles
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find the odd man out 16, 25, 36, 72, 144, 196, 225
AnswerClick to flip back
A
72
💡 Explanation:
All numbers except 72 are perfect squares: 16=4^2, 25=5^2, 36=6^2, 144=12^2, 196=14^2, 225=15^2. The number 72 cannot be expressed as the square of an integer.