Verbal Reasoning - Series Completion - Discussion

In each of the following letter series, some of the letters are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.


_ stt _ tt _ tts _

[A]. tsts
[B]. ttst
[C]. sstt
[D]. tsst

Answer: Option D


The series is tst/tst/tst/tst. Thus, the pattern 'tst' is repeated.

Alok said: (May 18, 2014)  
What is the trick to solve these type of question fast?

Hareesh Vengala said: (Aug 19, 2014)  
We may get as tstt/ttts/ttst as 3t's and 1's so by this option 'b' is correct "ttst".

Rajesh said: (Aug 21, 2017)  
I'm not getting.

Can anyone explain it properly for solving?

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