Question

    Which of the following elements should come in a place of ‘?’

    NO4       PM6      RK8        ?

    A UH12 Correct Answer Incorrect Answer
    B TK12 Correct Answer Incorrect Answer
    C TI10 Correct Answer Incorrect Answer
    D MP12 Correct Answer Incorrect Answer

    Solution

    N + 2 = P; P + 2 = 2 = R; R + 2 = T O – 2 = M; M – 2 = K; K – 2 = I 4 + 2 = 6; 6 + 2 = 8; 8 + 2 = 10

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