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Which of the following options should come in place of the question mark (?) in the given series based on the English alphabetical order? NPR, MOQ, LNP, KMO,?
NJL
JNL
JLN
NLJ
JLN
Observe the pattern of each letter position independently: The 1st, 2nd, and 3rd letters of each triplet move backward by 2 steps in the alphabet.
Observe the pattern of each letter position independently: The 1st, 2nd, and 3rd letters of each triplet move backward by 2 steps in the alphabet.
Analyze the 1st letter of each triplet
The 1st letters are N (14), M (13), L (12), K (11). Following the pattern -1, we get J (10).
Analyze the 2nd letter of each triplet
The 2nd letters are P (16), O (15), N (14), M (13). Following the pattern -1, we get L (12).
Analyze the 3rd letter of each triplet
The 3rd letters are R (18), Q (17), P (16), O (15). Following the pattern -1, we get N (14).
Final Result Construction
Combining the results (J, L, N) gives the next term: JLN.
A: NJL starts with N, which is incorrect; B: JNL has incorrect 2nd and 3rd letters; D: NLJ does not follow the continuous backward sequence.
C is correct because the series follows a consistent pattern where every letter in the triplet shifts one position back in the English alphabet relative to the preceding triplet.
In alphabetical series, always convert letters to their numerical positions (A=1, B=2... Z=26) to simplify complex shifting patterns.