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In a certain code language, ‘BEAR’ is coded as ‘9715’ and ‘RUST’ is coded as ‘8962’. What is the code for ‘R’ in that language?
6
9
5
8
9
Identify common letters between the two given words and match them with their corresponding common digits in the provided codes.
Identify common letters between the two given words and match them with their corresponding common digits in the provided codes.
Analyze the common letters
Compare the words BEAR (B, E, A, R) and RUST (R, U, S, T). The only common letter between the two words is R.
Analyze the common digits
Compare the code strings 9715 and 8962. The only digit present in both code strings is 9.
Map the code
Since R is the only common letter and 9 is the only common digit, R must be coded as 9.
A: 6 is assigned to either U, S, or T, not R. C: 5 is assigned to either B, E, or A, not R. D: 8 is assigned to either U, S, or T, not R.
B is correct because the letter R is the unique common character between BEAR and RUST, and the digit 9 is the unique common character between the codes 9715 and 8962.
Whenever you see two words sharing a letter and their codes sharing a digit, assume direct substitution and look for the intersection first to save time.
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