Multiple Choice Questions on 81 72 136 111 278 ........ for IBPS (PO/SO) Preparation

Number series

Quantitative Aptitude(IBPS PO)

Title

45:30

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    Direction (): What will come in the place of questions (?) mark in following number series.


    81, 72, 136, 111, ?, 278

    325

    Incorrect Answer

    347

    Incorrect Answer

    323

    Incorrect Answer

    327

    Correct Answer

    321

    Incorrect Answer
    Explanation:

    Pattern of series –
    81 – 32 = 72
    72 + 43 = 136
    136 – 52 = 111
    111 + 63 = 327
    327 – 72 = 278


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