Multiple Choice Questions on 1 2 5 16 65 328 1957 ........ for IBPS RRB - Office Assistant/ Clerical Exam Preparation

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Multiple Choice Questions

1 2 5 16 65 328 1957 ........

Quantitative Aptitude(IBPS RRB CL) Number series
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    Direction: Find the wrong term in the given series:

    1, 2, 5, 16, 65, 328, 1957

    65

    Incorrect Answer

    16

    Incorrect Answer

    5

    Incorrect Answer

    2

    Incorrect Answer

    328

    Correct Answer
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    Explanation:

    1 × 1 + 1 = 2
    2 × 2 + 1 = 5
    5 × 3 + 1 = 16
    16 × 4 + 1 = 65
    65 × 5 + 1 = 326
    326 × 6 + 1 = 1957

    By: Munesh Kumari
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