SSC CHSL 2020 · PYQ · Odd One Out (Letter Cluster) · medium
Identify the letter-cluster that does NOT belong to the following series. DE, GH, JK, NM, PQ
A.NM✓ Correct
B.JK
C.PQ
D.GH
Explanation
Each pair consists of two consecutive letters in ascending order (DE, GH, JK, PQ). NM is written in reverse order (N comes after M), making it the odd one out.
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