Multiple Choice Questions on Odd man out 445 221 109 46 25 11 4 ........ for Bihar civil service (BPSC) Preparation

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Multiple Choice Questions

Odd man out 445 221 109 46 25 11 4 ........

Quantitative Aptitude (CSC) Number series
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    Odd man out: 445, 221, 109, 46, 25, 11, 4

    25

    Incorrect Answer

    46

    Correct Answer

    109

    Incorrect Answer

    221

    Incorrect Answer
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    Explanation:

    3 is subtracted from each number and the result is divided by 2 to obtain the next number of series.

    So, 46 is wrong and must be replaced by (109-3) / 2 i.e. 53.
    Hence, option 2 is the correct answer.

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