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What number goes in the middle?

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What number goes in the middle ?

Puzzle

posted May 16, 2014 by Amarvansh

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1 Solution

0 votes

Analysis as a multiple series
First is
5,14,23,32
Common difference=9
Second series -
2,10,18
Common difference=8
Third series -
20,27,34,41
C.d=7
4th series-
11,?,23
Common difference should be 6 .
So Answer will be 11+6
17(Answer)

solution 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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