Select the combination of letters that, when placed in the blanks of the given letter series in order, will complete the series.
c d _ _ _ f g c _ _ _ f f g _ _ e e f f _ _ _ e e f f g
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → eefdeecdgcd
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 28 places split into four blocks of seven, each c d e e f f g.
Block 1: c d _ _ _ f g needs e, e, f
Block 2: c _ _ _ f f g needs d, e, e
Block 3: _ _ e e f f _ needs c, d, g
Block 4: _ _ e e f f g needs c, d
The series is cdeeffg cdeeffg cdeeffg cdeeffg, and the blanks in order are eefdeecdgcd.