Reasoning - Number series - Discussion

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Q.

Look at this series: 3, 4, 7, 8, 11, 12, ... What number should come next?                         
A. 7 B. 10
C. 14 D. 15

Answer: Option D
Explaination:

 


This alternating addition series begins with 3; then 1 is added to give 4; then 3 is added to give 7; then 1 is added, and so on.




Discussion

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