ABC, PQR, DEF, STU, ?

Directions (Q. Nos. 79 and 80) What comes in place of question mark in the following letter series?

  1. A. GKL
  2. B. VWX
  3. C. GHI
  4. D. IJK

Correct Answer: C. GHI

Explanation

The series alternates between two alphabetical sequences: ABC, DEF, GHI... and PQR, STU... So the next term is GHI.

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