Mathematical Relationship aptitude puzzle

Find the number to replace the question mark to complete the series, provided the pair of numbers exhibits a similar relationship?

? : 4623 :: 9 : 647

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SherlockHolmes Expert Asked on 7th May 2017 in Aptitude Question.
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  • 1 Answer(s)

    Answer- 17

    Explanation –
    The relationship holds for below formula :
    pow(x,3) – pow(x,2) – 1
    = 9*9*9 – 9*9 – 1
    = 729 – 81 – 1
    = 647

    Similarly,
    17*17*17 – 17*17 – 1
    = 4913 – 289 – 1
    = 4623

    Detective Expert Answered on 12th May 2017.
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