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    Question

    Find the wrong number in the given number series.

    - 24, - 43, - 81, - 154, - 309, - 613 
    A -613 Correct Answer Incorrect Answer
    B -154 Correct Answer Incorrect Answer
    C -24 Correct Answer Incorrect Answer
    D -309 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, - 24 X 2 + 5 = - 43 - 43 X 2 + 5 = - 81 - 81 X 2 + 5 = - 157 - 157 X 2 + 5 = - 309 - 309 X 2 + 5 = - 613 Therefore, - 157 should come in place of - 154

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