In a coded language, 'CAT' is coded as '312', 'DOG' is coded as '415', and 'BAT' is coded as '213'. What is the code for 'TAD'?

Answer: A. 132
The common letters in 'CAT' and 'BAT' are 'A' and 'T', which gives us 'A' = 1 and 'T' = 2. 'TAD' has 'A' = 1 and 'D' = 4, so the code is '132'.