Question

Which sequence of letters when placed in the blanks one after the other will complete the given letter series ?

a b a _ a _ a b a _ a b a _ a b

• A. a a a a
• B. b b b b
• C. a b a a
• D. b a b a

Answer 1

Answer: (B)

b b b b
Option (B) is the correct answer
Explanation:
Divide the series in equal parts
a b a _/ a _ a b/ a _ a b/ a _ a b
Following series is in the form of
abab/aab/aab/aab.

Thus, the missing term is bbbb.