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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? TVX, SUW, RTV, QSU,?
RPT
PTR
PRT
RTP
PRT
Observe the first, second, and third letters of each term independently. Each letter position decreases by 1 (or 2) in the English alphabet as you move from left to right across the terms.
Observe the first, second, and third letters of each term independently. Each letter position decreases by 1 (or 2) in the English alphabet as you move from left to right across the terms.
Analyze First Letters
The first letters of the terms are T (20), S (19), R (18), Q (17). Decreasing by 1 each time, the next letter is P (16).
Analyze Second Letters
The second letters are V (22), U (21), T (20), S (19). Decreasing by 1 each time, the next letter is R (18).
Analyze Third Letters
The third letters are X (24), W (23), V (22), U (21). Decreasing by 1 each time, the next letter is T (20).
Combine Letters
Combining the next letters P, R, and T gives the final term PRT.
A: RPT has incorrect letter order. B: PTR has incorrect letter arrangement. D: RTP reverses R and T incorrectly.
C is correct because each letter in the triplet shifts backward by 1 position in the English alphabet (T тЖТ S тЖТ R тЖТ Q тЖТ P, V тЖТ U тЖТ T тЖТ S тЖТ R, X тЖТ W тЖТ V тЖТ U тЖТ T), resulting in PRT.
In multi-letter series questions, always check each position independently. Often, each letter position follows its own arithmetic progression or shift rule.