Question : Directions: Select the letter cluster from among the given options that can replace the question mark (?) in the following series.
MN, NM, OL, PK, ?
Option 1: LQ
Option 2: QJ
Option 3: KJ
Option 4: JK
Correct Answer: QJ
Solution :
Given:
MN, NM, OL, PK, ?
The pattern is as follows –
First letter
of the series→M + 1 = N; N + 1 = O; O + 1 = P; P + 1 = Q
Second letter
of the series→N – 1 = M; M – 1 = L; L – 1 = K; K – 1 = J
So, the missing term is QJ. Hence, the second option is correct.
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