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Banking Sample Paper IBPS Clerk (Main) Sample Paper Test-1

  • question_answer
    Direction: What should come in place of question mark (?) in the following number series?
    11   749   1269   1619   1841   ?

    A)  1871               

    B)  2061  

    C)  1743  

    D)    1905  

    E)    1971

    Correct Answer: E

    Solution :

    The series is \[+({{9}^{3}}+9),\,+({{8}^{3}}+8),\]\[+({{7}^{3}}+7),\] \[+({{6}^{3}}+6),\,...\] i.e. \[11+{{9}^{3}}+9=749,\text{ }749+{{8}^{3}}+8=1269,\] \[1269+{{7}^{3}}+7=1619,\]\[1619+{{6}^{3}}+6=1841,\]\[1841+{{5}^{3}}+5=1971,\,...\]


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