Select the letter or letter-cluster that can replace the question mark (?) in the following series.AB, CD, EF, GH, ?
A. JK
B. HI
C. IJ
D. IK
A. JK
B. HI
C. IJ
D. IK
Best answer
Answer: C. IJ
Answer: (C) IJ
Consecutive pairs of letters: AB, CD, EF, GH, then IJ.
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