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Find the odd man out. 396, 462, 572, 427, 671, 264
 

  • A.396
  • B.427
  • C.671
  • D.264

Answer: B

In each three-digit number, the middle digit is the sum of the outer two.

  • 396: \( 3 + 6 = 9 \) ✓
  • 462: \( 4 + 2 = 6 \) ✓
  • 572: \( 5 + 2 = 7 \) ✓
  • 671: \( 6 + 1 = 7 \) ✓
  • 264: \( 2 + 4 = 6 \) ✓
  • 427: \( 4 + 7 = 11 \neq 2 \) ✗

So 427 is the odd one out.

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