OQS, ?, ACE, GIK, MOQ
Letter Pattern Identification
The given series is OQS, ?, ACE, GIK, MOQ.
Two primary patterns govern this sequence:
- Internal Cluster Pattern: The letters within each cluster increase sequentially by 2 positions (e.g., A is the 1st letter, C is the 3rd, E is the 5th).
- Sequential Cluster Pattern: To get from one cluster to the next, each letter's position advances by 6, wrapping around the alphabet (Z followed by A).
Calculating the Missing Cluster
We apply the +6 shift pattern to the first cluster, OQS, to find the missing term:
- First Letter: O is the 15th letter. $15 + 6 = 21$. The 21st letter is U.
- Second Letter: Q is the 17th letter. $17 + 6 = 23$. The 23rd letter is W.
- Third Letter: S is the 19th letter. $19 + 6 = 25$. The 25th letter is Y.
Based on this calculation, the missing cluster is UWY.
Confirming Pattern Consistency
To ensure UWY is correct, we verify its transition to the next cluster, ACE, using the +6 shift:
- First Letter: U (21). $21 + 6 = 27$. Using wrap-around: $27 \pmod{26} = 1$. The 1st letter is A.
- Second Letter: W (23). $23 + 6 = 29$. Using wrap-around: $29 \pmod{26} = 3$. The 3rd letter is C.
- Third Letter: Y (25). $25 + 6 = 31$. Using wrap-around: $31 \pmod{26} = 5$. The 5th letter is E.
The cluster UWY correctly transitions to ACE. Furthermore, UWY itself follows the internal pattern (U(21), W(23), Y(25) have +2, +2 spacing).
Therefore, UWY is the correct letter cluster for the question mark.
Similar Questions
- What should come in place of the question mark (?) in the given series based on the English alphabetical order?
CHR HMW MRB RWG ? Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
KL, MO, OR, ?
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
DW, HS, LO, PK, ?
- Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
ab, fg, jk, mn, ? - Select the letter cluster from among the given options that can replace the question mark (?) in the following series.
CF, IL, OR, ? - Select the letter from among the given options that can replace the question mark (?) in the following series.
B, E, H, K, ?, Q - Select the letter from among the given options that can replace the question mark (?) in the following series.
C, G, K, O, ?, W - Select the letter cluster from among the given options that can replace the question mark (?) in the following series.
AYD, BVF, CSH, ? - Identify the letter-pair from among the given options that expresses a relationship most similar to that expressed in the in the following letter-pairs.
yb, ve, tg, ? - Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
AZP, BYQ, CXR, ?
Important Questions from Letter Based Series
Select the option that represents the letters that when placed from left to right in the blanks below will complete the given letter series.
M N _ O J K M _ Q O J K _ N Q _ J K M N Q O _ K M N
Select the option that represents the letters that when placed from left to right in the blanks below will complete the given letter series.
B _ E N B _ C E N B B C _ N B B C E _ B _ C
Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and the fourth letter-cluster is related to the third letter-cluster.
MSD: NHW :: OAE : LZV :: NIP : ?
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
