In a mixed letter code, 'APPLE' is coded as '13524', 'LEMON' is coded as '24567', and 'PEAR' is coded as '3541'. What is the code for 'MEL'?

Answer: A. 245
The common letters in 'LEMON' and 'APPLE' are 'E' and 'L'. 'E' = 5 and 'L' = 2. 'MEL' has 'M' = 4, 'E' = 5, and 'L' = 2, so the code is '245'.