Coding and Decoding Questions

If 70$7 = -10, 50$5 = -10 and 40$8 = -5, then find the value of 10$2 = ?

In a certain code language, “TRAVEL” is written as “WVFYIQ”. How is “TABLET” written in that code language?

If 'HARBOUR' is written as 'IBSCPVS' , how is 'HABITAT' written in that code?

In a certain code, 134 is AGE and 92706 is INERT. What is 016923?

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

If 15#2 = 26, 11#3 = 16 and 10#9 = 2, then find the value of 11#4 = ?

If D = 4, DOG = 26, then find the value of ANIMAL= ?

If 19#13=3; 25#3=11; 36#10=13; then what is the value of 7#3=?