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YV15 is related to TQ13 in a certain way. In the same way, VS19 is related to QN17. To which of the following is XU13 related, following the same logic?
RP11
RP13
ST13
SP11
SP11
Identify the positional shifts for letters (-5 for both letters) and the numerical subtraction pattern (-2).
Identify the positional shifts for letters (-5 for both letters) and the numerical subtraction pattern (-2).
Analyze Letter Patterns
Mapping for YV15 to TQ13: Y(25) - 5 = T(20), V(22) - 5 = Q(17). Mapping for VS19 to QN17: V(22) - 5 = Q(17), S(19) - 5 = N(14). Applying -5 to XU13: X(24) - 5 = S(19), U(21) - 5 = P(16).
Analyze Number Patterns
The number pattern follows a consistent subtraction: 15 - 2 = 13 and 19 - 2 = 17. Following this rule, 13 - 2 = 11.
Final Synthesis
Combining the letter transformation (S, P) and the number result (11), the final code is SP11.
A: RP11 is incorrect because the first letter shift should be -5 from X, resulting in S. B: RP13 is incorrect because both the letter shift and the number subtraction are wrong. C: ST13 is incorrect because the letter shifts do not follow the -5 rule and the number remains unchanged.
D is correct because applying the constant shift of -5 to the letters X and U results in S and P, and subtracting 2 from the number 13 results in 11.
In analogy questions involving alphanumeric codes, always check letters and numbers as independent sequences; often, one follows a fixed shift while the other follows a mathematical increment or decrement.