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    Question

    Four letter-clusters have been given, out of which three

    are alike in some manner and one is different. Select the letter-cluster that is different.
    A XTWU FBED Correct Answer Incorrect Answer
    B TPSQ Correct Answer Incorrect Answer
    C LHKI Correct Answer Incorrect Answer
    D FBED Correct Answer Incorrect Answer

    Solution

    Logic:  Positional value of 1st alphabet – 4, 2nd alphabet + 3, and 3rd alphabet – 2. XTWU →  X (24) – 4 ; T (20) + 3 ; W (23) – 2 ; U (21)   TPSQ →  T (20) – 4 à P (16) + 3 à S (19) – 2 à Q (17)   LHKI →  L (12) – 4 ; H (8) + 3 ; K (11) – 2 ; I (9)   FBED →  F (6) – 4 ; B (2) + 3 ; E (5) – 2 ; C (3) (NOT D)   Hence, the correct answer is (D).

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