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Find the one which does not belong to that group ?

  • A.GFI
  • B.QOR
  • C.LKN
  • D.YXA

Answer: B

Take the letter positions and the differences between them:

  • G(7) → F(6) → I(9): \( -1,\; +3 \)
  • L(12) → K(11) → N(14): \( -1,\; +3 \)
  • Y(25) → X(24) → A(27 ≡ 1): \( -1,\; +3 \)
  • Q(17) → O(15) → R(18): \( -2,\; +3 \)

QOR steps back two instead of one, so it breaks the pattern; QPS would fit. Note that YXA is consistent once the alphabet is allowed to wrap from Z round to A.

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