From the given options, select the group of letters that, when inserted in order from left to right into the blanks of the incomplete series, will logically complete it. S__KB_FH_BSF_K_SF__B
FHSKHBHK
Write out the incomplete string and mark the eight blank positions: S_ _ K B _ F H _ B S F _ K _ S F _ _ B, keeping the fixed letters in place.
Read only the letters already given and look for a short block that keeps repeating.
The five distinct letters S, F, H, K, B recur, and the ordering of the fixed letters is consistent with one repeating block: SFHKB.
Written four times, the block gives the 20-letter string SFHKB·SFHKB·SFHKB·SFHKB.
Overlaying this on the question, the eight blanks fall at positions 2, 3, 6, 9, 13, 15, 18 and 19.
Reading the required letters at those positions in order gives F, H, S, K, H, B, H, K.
The key idea is to detect the repeating cyclic block and read off the missing letters in left-to-right order.
So the group that completes the series is FHSKHBHK.
Similar Questions
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D, I, N, S, ? - Select the letter-cluster from among the given options that can replace the question mark (?) in the following series:
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Important Questions from Letter Based Series
Select the option that represents the letters that when sequentially placed from left to right in the blanks below will complete the letter series.
Y _ Y _ _ Y _ T _ Y _ Y
Select the option that represents the letters that when sequentially placed from left to right in the blanks below will complete the letter series.
Y _ Y _ _ Y _ T _ Y _ Y
Select the triad that follows the same pattern as that followed by the two triads given below. Both triads follow the same pattern.
KF-MH-OQ
ID-KF-MOWhat should come in place of the question mark (?) in the given series based on the English alphabetical order?
BIG DKI FMK HOM ?- Observe the following incomplete letter sequence carefully:
aa_bbc_aa bb_aaac_cc.
A specific pattern governs the order and repetition of the letters. Choose the option that best fills the blanks (in order) to complete the sequence logically and symmetrically.
