Discussion
In a certain code language, ‘BUILDING’ is coded as ‘37S19S5@’ and ‘RIVER’ is coded as ‘#S62#’. How will ‘BRIDGE’ be coded in the same language?
Answer: D
BRIDGE is coded as 3#S9@2. Each letter keeps one symbol or digit throughout. BUILDING is 3 7 S 1 9 S 5 @, so B is 3, U is 7, I is S, L is 1, D is 9, N is 5 and G is @. RIVER is # S 6 2 #, so R is #, I is S, V is 6 and E is 2.
\[ B=3,\ R=\#,\ I=S,\ D=9,\ G=@,\ E=2 \]
Putting these together gives 3 # S 9 @ 2. The options ending in 6 use the code of V for E, and the option with 7 in the fourth place uses the code of U for D, so they do not match the two given words.
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