In a code language MOBILE is written as ASDFGH, STORK is written as PLSQW. How is MOTORBIKE written in that code?

Applying the given substitutions to M-O-T-O-R-B-I-K-E produces A-S-L-S-Q-D-F-W-H, so the correct coded result is ASLSQDFWH for this word.