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What should come in place of the question mark (?) in the given series based on the English alphabetical order?
HFC, JHE, LJG, NLI,?
PMK
PNK
PML
PNL
PNK
Observe the first, second, and third letters of each triplet independently to identify a constant increment (+2) for all positions.
Observe the first, second, and third letters of each triplet independently to identify a constant increment (+2) for all positions.
Analyze the first letters
H(8), J(10), L(12), N(14). Following the pattern +2, the next letter is 14 + 2 = 16, which is P.
Analyze the second letters
F(6), H(8), I(9), L(12). Wait, let's re-examine: HFC, JHE, LJG, NLI. First letter: H(8) → J(10) → L(12) → N(14) → P(16). Second letter: F(6) → H(8) → J(10) → L(12) → N(14). Third letter: C(3) → E(5) → G(7) → I(9) → K(11).
Final Sequence Compilation
Pattern for all three positions is +2. First: H(8)+2=J, J(10)+2=L, L(12)+2=N, N(14)+2=P. Second: F(6)+2=H, H(8)+2=J, J(10)+2=L, L(12)+2=N. Third: C(3)+2=E, E(5)+2=G, G(7)+2=I, I(9)+2=K. Result: P N K.
A: PMK is incorrect as the middle letter must be N (14) not M (13). C: PML is incorrect as the middle letter is N and the third letter is K. D: PNL is incorrect as the third letter is K (11) not L (12).
B is correct because the series follows a consistent +2 increment for every position (first, second, and third letters) resulting in P, N, and K respectively.
For letter series, always write the positional numbers (A=1, B=2...) above the letters to reveal hidden arithmetic patterns instantly.
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