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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? IMH, LPK, OSN, RVQ,?
YUT
YTU
UTY
UYT
UYT
Analyze the pattern for each of the three positions (1st, 2nd, 3rd) separately: The first letter increases by 3 (I → L → O → R → U), the second by 3 (M → P → S → V → Y), and the third by 3 (H → K → N → Q → T).
Analyze the pattern for each of the three positions (1st, 2nd, 3rd) separately: The first letter increases by 3 (I → L → O → R → U), the second by 3 (M → P → S → V → Y), and the third by 3 (H → K → N → Q → T).
Analyze the first letter of each group
Looking at the first letters: I(9), L(12), O(15), R(18). Each increases by 3. The next letter is 18 + 3 = 21, which is U.
Analyze the second letter of each group
Looking at the second letters: M(13), P(16), S(19), V(22). Each increases by 3. The next letter is 22 + 3 = 25, which is Y.
Analyze the third letter of each group
Looking at the third letters: H(8), K(11), N(14), Q(17). Each increases by 3. The next letter is 17 + 3 = 20, which is T.
Combine results
Combining the results from each step (U, Y, T), we get the final group: UYT.
A: YUT starts with Y, which doesn't follow the +3 pattern. B: YTU starts with Y, incorrect. C: UTY has Y and T swapped in the sequence UYT.
D is correct because the series follows a consistent +3 increment for every letter position, leading to UYT (21st, 25th, and 20th letters).
In multi-letter series, always decompose the sequence into individual parallel tracks (1st, 2nd, 3rd letters) to identify the specific rule for each position separately.
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