Coding and Decoding Questions

In a certain code language "TITANIC" is written as "7371835" and "SEMATIC" is written as "6241735". How will "MAINTAIN" be written in that code language?

In a code language, BURN is written as YFIM. What is the code for WOUND?

In a certain code language, " EXCITED" is written as "DETICXE". How is "KINLEY" written in that code language?

If in a certain code, GREEN is written as ITGGP, then how will OINK be written as in the same code?

If 8 θ 12 δ 6 = 60 and 13 θ 15 δ 11 = 74, then 18 θ 21 δ 15 = ?

If 9@3=12; 15@4=22; 16@14=4; then what is the value of 6@2=?

If 8*2 = 3, 14*18 = -2 and 18*2 = 8, then find the value of 14*10 = ?

If 8*9 = 36, 12*4 = 24 and 14*6 = 42, then find the value of 18*6 = ?