Coding and Decoding Questions

If CROWNED is coded as APMULCB, then how will TAP be coded as?

In a certain code, 'TEACHER' is written as VGCEJGT. How is 'CHILDREN' written in that code?

If PROJECT is coded as KILQVXG, then how will EGO be coded as?

In a certain code language, "DESIRE" is written as "EGVMWK". How is "RECESS" written in that code language?

In a certain code language, “MAYOR” is written as “NBZPS”. How is “PLAYER” written in that code language?

If BLACKSMITH is coded as CNBELUNKUJ, then CHILDREN will be coded as ?

If in a certain language KINDLE is coded as ELDNIK, how is FASHION coded in that code?

If 4 x 5 x 2 = 524, 3 x 7 x 2 = 723 and 6 x 8 x 7 = 876 then 9 x 4 x 5 = ?