Select the combination of letters that, when placed in the blanks of the given letter series in order, will complete the series.
c _ s e _ c a _ e s _ a s e _
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → asscs
In a letter series with blanks, look for a block of letters that repeats; the blanks are then the letters the block needs at those places. The 15 places split into three blocks of five, each c a s e s, the word cases.
Block 1: c _ s e _ needs a, s
Block 2: c a _ e s needs s
Block 3: _ a s e _ needs c, s
The series is cases cases cases, and the blanks in order are asscs.