SSC MTS 2019 · PYQ · Letter Series · medium
Select the letter-pair that can replace the question mark (?) in the following series.
AR, CU, EX, GA, ?
- A.ID✓ Correct
- B.KF
- C.JE
- D.IF
The first letters follow +2 each step: A, C, E, G, I. The second letters follow +3 each step: R, U, X, A(=27→1), D(=4). So the next pair is ID.
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