In a coding scheme, 'FISH' is coded as '6148', 'BIRD' as '2943', and 'HARE' as '8145'. What is the code for 'RIDE'?

Answer: B. 2943
The common letter 'R' in 'BIRD' and 'HARE' allows us to deduce 'R' = 4. Therefore, 'RIDE' = 2943.