Question

    Four letter-clusters have been given out of which three

    are alike in some manner and one is different. Select the one that is different.
    A XAU Correct Answer Incorrect Answer
    B NQK Correct Answer Incorrect Answer
    C ILF Correct Answer Incorrect Answer
    D EHC Correct Answer Incorrect Answer

    Solution

    The second letter is the third succeeding letter of the first letter and the third letter is the sixth preceding letter of the second letter as per the English Alphabetical series. XAU → X + 3 = A, A- 6 = U NQK → N + 3 = Q, Q - 6 = K ILF → I + 3 = L, L - 6 = F EHC → E + 3 = H, H - 6 = B ≠ C

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