Coding and Decoding Questions

In a certain code language, "READ" is written as "18514". How is "RATE" written in that code language?

If FRISKED is coded as HTKUMGF, then how will SUN be coded as?

If 19 + 2 x 2 + 3 = 369 and 23 + 2 x 6 + 2 = 565, then 7 + 3 x 11 + 3 = ?

If "+" means "minus", "x" means "divided by", "÷" means "plus" and "-" means "multiplied by", then
76 x 4 + 4 – 12 ÷ 37 = ?

If P denotes +, Q denotes -, R denotes '÷', and S denotes X, then: 18S36R12Q6P7 = ?

If 9#3=6; 15#3=9; 60#4=32; then what is the value of 27#3=?

Some equations are solved on the basis of certain system. Find out the correct answer for unsolved equation on that basis: 4 x 5 x 8 = 584, 7 x 3 x 9 = 397, 9 x 7 x 3 = ?

If IMPLORE is coded as GKNJMPC, then how will HUB be coded as?