Q. Find the odd man out from: 15, 63, 143, 195 & 257

  • (A) 15
  • (B) 63
  • (C) 143
  • (D) 257
βœ… Correct Answer: (D) 257
Explanation: Each of the numbers except 257, is one less than the square of a certain number.
Explanation by: Yami Thakur
Each of the numbers except 257, is one less than the square of a certain number.

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