Question : Direction: In each of the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
a _ b _ ca _ b _ c _ a _ cc
Option 1: a c b c a b
Option 2: a b a b c a
Option 3: a c a c a b
Option 4: a b a b a c
Correct Answer: a c a c a b
Solution : Given -
a _ b _ ca _ b _ c _ a _ cc
Let's check the options.
option first: a c b c a b
The series becomes a a b c ca b b c c a a b cc
There is no pattern in the above series.
option second: a b a b c a
The series becomes a a b b ca a b b c c a a cc
There is no pattern in the above series.
option third: a c a c a b
The series becomes a a b c ca a b c c a a b cc
The pattern in the series becomes aabcc/aabcc/aabcc.
option fourth: a b a b a c
The series becomes a a b b ca a b b c a a c cc
There is no pattern in the above series.
Hence, third option is correct.
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