Select the combination of letters that, when placed in the blanks of the given letter series in order, will complete the series.
t f _ n r _ t _ k _ r u _ f k n _ u t f k _ r u
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → kufntrn
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 24 places split into four blocks of six, each t f k n r u.
Block 1: t f _ n r _ needs k, u
Block 2: t _ k _ r u needs f, n
Block 3: _ f k n _ u needs t, r
Block 4: t f k _ r u needs n
The series is tfknru tfknru tfknru tfknru, and the blanks in order are kufntrn.