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General Intelligence & Reasoning
Classification
EN हिंदी
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RRB NTPC Graduate Tier 1 2025 Shift-2 📅 05 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?

A
HK-LP
B
KL-FG
C
XY-ST
D
OP-JK
Result Summary
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RRB NTPC Graduate Tier 1
2025 • 05 Jun, 2025 • Shift-2
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?
Correct Answer
HK-LP
Group Dynamic Scanning: We inspect the spacing between the letters within each cluster subset.Consistency Baseline: In pairs like KL-FG, XY-ST, and OP-JK, the t......
Ref/Book : RRB NTPC Graduate Tier 1 2025
Ref. Subject General Intelligence & Reasoning
Chapter -
Ref. Topic Classification
Pg. No -
💡 Analysis & Explanation
Group Dynamic Scanning ▼
We inspect the spacing between the letters within each cluster subset.
Consistency Baseline ▼
In pairs like KL-FG, XY-ST, and OP-JK, the two letters forming each side of the hyphen are consecutive in the English alphabet (K-L, F-G; X-Y, etc.).
Anomaly Detection ▼
Looking at 'HK-LP', the letters H and K have a gap of two letters (I, J). Similarly, L and P have a gap of three (M, N, O).
Conclusion ▼
Since 'HK-LP' lacks internal consecutive sequence mapping, it is the odd outlier.
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