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    Question

    Four of the following five are somehow similar and

    therefore create a group. Which is not related to this group? CF, IR, MZ, LX, DG
    A DG Correct Answer Incorrect Answer
    B CF Correct Answer Incorrect Answer
    C LX Correct Answer Incorrect Answer
    D IR Correct Answer Incorrect Answer

    Solution

    The place value of the second letter is two times of the place value of the first letter as per the English alphabetical series. In ‘CF’, 1st letter = C (3), 2nd letter = F (3 × 2 = 6) In ‘IR’, 1st letter = I (9), 2nd letter = R (9 × 2 = 18) In ‘MZ’, 1st letter = M (13), 2nd letter = Z (13 × 2 = 26) In ‘LX’, 1st letter = L (12), 2nd letter = X (12 × 2 = 24) In ‘DG’, 1st letter = D (4), 2nd letter = H (4 × 2 = 8)

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