Number Series

Number Theory Level 2

1 , 3 , 5 , 4 , 6 , 10 , 27 , 9 , 15 , _ , 12 , 20

Find the missing number


The answer is 256.

Sandeep Kv by Sandeep KV , 33, India

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2 solutions

Gopal Yamala
Aug 9, 2014

formula of series of n^n, nx3, nx5 , if n =1 ( 1,3,5) if n=2 ( 4,6,10) if n=3 (27,9,15 ) if n =4 ( 256, 12, 20) ..so the Answer is 256

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Sachin Mittal
Aug 4, 2014

Try to observe the series:

  • 1 , 3 , 5 , 4 , 6 , 10 , 27 , 9 , 15 , __ , 12 , 30 .

    Then you can observe this:

  • 1^1 ,3,5, 2^2 ,6,10, 3^3 ,9,15, __ ,12,30

So, the answer will be 4^4

1 Helpful 0 Interesting 0 Brilliant 0 Confused

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