# 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

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

### Your Answer

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