Verbal Reasoning - Series Completion

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.

6. 

_ _aba _ _ ba _ ab

A. abbba
B. abbab
C. baabb
D. bbaba

Answer: Option B

Explanation:

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


7. 

c _ bbb _ _ abbbb _ abbb _

A. aabcb
B. abccb
C. abacb
D. baebb

Answer: Option B

Explanation:

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


8. 

_ bbca _ bcca _ ac _ a _ cb

A. abeba
B. acbab
C. bacab
D. bcaajb

Answer: Option B

Explanation:

The series is abbc/ac/bcca/ba/caab/cb.


9. 

a _ bbc _ aab _ cca _ bbcc

A. bacb
B. acba
C. abba
D. caba

Answer: Option B

Explanation:

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


10. 

ac _ cab _ baca _ aba _ acac

A. aacb
B. aebe
C. babb
D. bcbb

Answer: Option A

Explanation:

The series is acac/abab/acac/abab/acac. Thus, the pattern acac/abab is repeated