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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? EHL, GJN, ILP, KNR,?
MPT
PTM
MTP
PMT
MPT
Observe the first, second, and third letters of each group independently. Each position follows a consistent +2, +2, +2 increment pattern.
Observe the first, second, and third letters of each group independently. Each position follows a consistent +2, +2, +2 increment pattern.
Analyze the pattern of the first letters
E (5), G (7), I (9), K (11). The sequence is +2 for every step. The next letter is 11 + 2 = 13, which corresponds to M.
Analyze the pattern of the second letters
H (8), J (10), L (12), N (14). The sequence is +2 for every step. The next letter is 14 + 2 = 16, which corresponds to P.
Analyze the pattern of the third letters
L (12), N (14), P (16), R (18). The sequence is +2 for every step. The next letter is 18 + 2 = 20, which corresponds to T.
B: PTM is incorrect as it disrupts the sequence order. C: MTP is incorrect as the last letter T is in the wrong position. D: PMT is incorrect as the letters are jumbled.
A is correct because the series follows a consistent +2 increment for every letter in each position (E+2=G, H+2=J, L+2=N; G+2=I, J+2=L, N+2=P; I+2=K, L+2=N, P+2=R; therefore K+2=M, N+2=P, R+2=T).
When solving letter series, always treat each column (1st, 2nd, 3rd letters) as three separate sub-series. This prevents confusion and speeds up pattern detection.
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