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RRB NTPC Graduate Tier 1 2025 Shift-1 📅 09 Jun, 2025

Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair DOES NOT belong to that group?

(Note: The odd one out is not based on the number of consonants/vowels or their position in the letter cluster)

A
MO - KM
B
CG - LP
C
SU - QS
D
QS - OQ
Result Summary
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APEDIA

RRB NTPC Graduate Tier 1
2025 • 09 Jun, 2025 • Shift-1
Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair DOES NOT belong to that group?

(Note: The odd one out is not based on the number of consonants/vowels or their position in the letter cluster)
Correct Answer
CG - LP
Cluster Pattern Evaluation: We rigorously evaluate the alphabetical distance and shift direction between the corresponding characters of each pair. For MO-KM: M......
Ref/Book : RRB NTPC Graduate Tier 1 2025
Ref. Subject Reasoning
Chapter -
Ref. Topic Classification
Pg. No -
💡 Analysis & Explanation
Cluster Pattern Evaluation ▼
We rigorously evaluate the alphabetical distance and shift direction between the corresponding characters of each pair. For MO-KM: M shifted back by 2 is K, O shifted back by 2 is M (-2, -2). For SU-QS: S(-2) is Q, U(-2) is S (-2, -2). For QS-OQ: Q(-2) is O, S(-2) is Q (-2, -2). All these clusters follow a strict backward positional shift of 2 units.
Identifying the Anomaly ▼
Let us evaluate the pair CG-LP: C shifted forward by 9 is L, and G shifted forward by 9 is P. This pair utilizes a completely different mathematical logic (+9 forward shift) compared to the uniform structural rule governing the rest of the group.
Conclusion ▼
CG-LP fundamentally breaks the pattern and does not belong.
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