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    Question

    In each of the following, one term is wrong. Find the

    WRONG term. 7, 15, 29, 58, 117, 235
    A 235 Correct Answer Incorrect Answer
    B 117 Correct Answer Incorrect Answer
    C 58 Correct Answer Incorrect Answer
    D 29 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Pattern: multiply by 2 and alternately add 1 and subtract 1. 7 × 2 + 1 = 15 15 × 2 − 1 = 29 29 × 2 + 1 = 59 59 × 2 − 1 = 117 117 × 2 + 1 = 235 Correct term after 29 should be 59, not 58. Wrong term = 58

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