Reasoning - Series Completion - Discussion

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Q.

11, 10, ?, 100, 1001, 1000, 10001  .                          
A. 101 B. 111
C. 110 D. None Of These

Answer: Option A
Explaination:

 


The pattern is - 1, x 10 + 1, - 1, x 10 + 1, - 1, x 10 + 1, .....
So, missing term = 10 x 10 + 1 = 101.




Discussion

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