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What number goes in the middle?

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What number goes in the middle ?


posted May 16, 2014 by Amarvansh

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Plz some one mentioned the right answer

1 Answer

+1 vote

Analysis as a multiple series
First is
Common difference=9
Second series -
Common difference=8
Third series -
4th series-
Common difference should be 6 .
So Answer will be 11+6

answer Nov 6, 2014 by Amit Kumar Pal
But i have a problem wen i was analysing this i found that the common difference in second last series 2,6,10 (c.d=4) is according to my analysis i,e continues decreasing by 1 but in the last series the common difference is decrease by 2 .
If anyone have better solution of this problem please tell me .

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