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In a certain code language, ‘CURL’ is coded as ‘4386’ and ‘LURE’ is coded as ‘5846’. What is the code for ‘E’ in that language?
5
6
3
8
5
Identify common letters in both words (C, U, L) and their shared digits, then deduce the remaining letter's value.
Identify common letters in both words (C, U, L) and their shared digits, then deduce the remaining letter's value.
Mapping the known codes
CURL = 4386 and LURE = 5846. The letters common to both words are {U, R, L}. The digits common to both codes are {8, 4, 6}.
Identifying unique values
In CURL, the unique letter is C, which maps to the unique digit 3. In LURE, the unique letter is E, which maps to the unique digit 5.
B: 6 is assigned to either L, U or R; C: 3 is the code for C; D: 8 is assigned to either L, U or R.
A is correct because by comparing the words CURL and LURE, the unique letter E in LURE corresponds to the unique code digit 5 that is not present in the code for CURL.
Always list common elements first in comparison-based coding questions to instantly isolate the unknown values.
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