Reasoning - Series Completion - Discussion

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Q.

1, 5, 5, 9, 7, 11, 11, 15, 12, 17  .                          
A. 11 B. 12
C. 17 D. 15

Answer: Option B
Explaination:

 


The given sequence is a combination of two series:
I. 1, 5, 7, 11, 12 and II. 5, 9, 11, 15, 17
The pattern in both I and II is + 4, + 2, + 4, + 2. So, 12 is wrong and must be replaced by (11 + 2) i.e. 13.




Discussion

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