Coding and Decoding Questions

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

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 RESEARCH is $#!#%$&@ then SCARE is

If 18 x 12 = 206 and 19 x 22 = 408, then 23 x 36 = ?

If BROTHER is coded as GWTYMJW, then SCHOOL is coded as

In a certain code language, "OCEAN" is written as "PEHES". How is "RIVER" written in that code language?

If "-" means "plus", "x" means "divide", "÷" means "multiply" and "+" means "minus", then 26 + 400 x 20 – 21 ÷ 12 = ?

In a certain code language, "SINGING" is written as "TJOHJOH". How is "DANCING" written in that code language?