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In a certain code language, 'VOCAL' is coded as '46218' and 'OVALS' is coded as '68514'. What is the code for 'S' in the given code language?
1
6
5
4
5
Identify common letters between the two given words to map the specific numbers; 'S' exists only in 'OVALS' and not in 'VOCAL'.
Identify common letters between the two given words to map the specific numbers; 'S' exists only in 'OVALS' and not in 'VOCAL'.
Analyze the given codes
We are given: VOCAL = 46218 and OVALS = 68514. We need the code for 'S'.
Identify overlapping letters
Letters common to both words (VOCAL, OVALS) are V, O, A, L. Their corresponding codes are 4, 6, 2, 1, 8. Specifically: V, O, A, L are {4, 6, 2, 1, 8}. In OVALS, the letters are O, V, A, L, S. Comparing 68514 with the set {4, 6, 2, 1, 8}, the digits 6, 8, 1, 4 are present in both codes. The only digit in 68514 that is NOT present in 46218 is '5'.
Deduce the code for S
Since 'S' is the only letter in OVALS that does not appear in VOCAL, and '5' is the only digit in 68514 that does not appear in 46218, it follows that S = 5.
A: 1 is the code for L, B: 6 is the code for O, D: 4 is the code for V.
C is correct because by comparing the sets of characters in VOCAL (46218) and OVALS (68514), the unique letter S maps to the unique digit 5.
In coding-decoding questions, always look for the unique element first if the intersection is complex; it saves time by avoiding full character mapping.
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