Question:

Identify the odd one out in the series: CZ, EY, GX, IW, MV, QU, ST

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Letter-series questions often use simultaneous forward and backward alphabetical movements.
Updated On: Jun 15, 2026
  • IW
  • MV
  • QU
  • ST
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The Correct Option is B

Solution and Explanation


Step 1:
Observe the first letters. \[ C,E,G,I,K,M,O,Q,S \] The first letters should increase by 2 positions each time.

Step 2:
Observe the second letters. \[ Z,Y,X,W,V,U,T \] The second letters decrease by 1 position successively.

Step 3:
Find the mismatch. After IW, the next term should be KV, not MV. Therefore, MV breaks the pattern. \[ \boxed{MV} \]
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