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KL91 is related to CD66 in a certain way. In the same way, MN81 is related to EF56. To which of the following is OP71 related, following the same logic?
HG46
GH56
HG56
GH46
GH46
Look at letter pairs independently (K+1=L, C+1=D) and then reverse the order of pairs and subtract fixed values from numbers.
Look at letter pairs independently (K+1=L, C+1=D) and then reverse the order of pairs and subtract fixed values from numbers.
Analyze Letter Transformation
In KL91 to CD66: K(11) and L(12) map to C(3) and D(4). The pattern is (Alphabet index - 8). K(11)-8=3(C), L(12)-8=4(D). The order of the letter pair is reversed.
Analyze Number Transformation
The number 91 becomes 66 by subtracting 25 (91 - 25 = 66). Applying this to MN81 (M=13, N=14), subtracting 8 gives 5(E) and 6(F), which are swapped to EF. 81 - 25 = 56.
Apply Logic to Target
For OP71: O(15)-8=7(G) and P(16)-8=8(H). Swap to get GH. Subtract 25 from 71: 71-25=46. Combine to form GH46.
A: HG46 reverses the letters incorrectly; B: GH56 keeps the number incorrectly; C: HG56 reverses letters and keeps the number incorrectly.
D is correct because the logic dictates shifting letter indices by -8, reversing the letter sequence, and subtracting 25 from the numerical value, yielding GH46.
When encountering alphanumeric analogies, always split the alphanumeric into two distinct segments and solve them independently before combining.
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