Select the combination of letters that, when placed in the blanks of the given letter series in order, will complete the series.
f f _ _ g g f f g h _ _ f _ g h g g
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → ghggf
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 18 places split into three blocks of six, each f f g h g g.
Block 1: f f _ _ g g needs g, h
Block 2: f f g h _ _ needs g, g
Block 3: f _ g h g g needs f
The series is ffghgg ffghgg ffghgg, and the blanks in order are ghggf.