In a code language, 'FISH' is coded as '2468' and 'BIRD' is coded as '1357'. What is the code for 'HIS'?

Answer: A. 468
The letters 'H', 'I', and 'S' correspond to 'FISH', where 'H' is '8', 'I' is '6', and 'S' is '4', resulting in '468'.