Coding Decoding Letter Based Mock Tests

If "STATION" is coded as "TUBUBOU", how is "LAUNCH" coded?

In a certain code language, if "COMPUTER" is written as "DPNQVUFS", how will "KEYBOARD" be written in the same code?

In a certain code language, if "MONKEY" is written as "XDJMNX" then how will "CHEAT" be written in that code language?

In a certain code language, if "BRAIN" is written as "CSBJO" and "THINK" is written as "UJIOH", then how will "WORLD" be written in that language?

In a certain code, "PENCIL" is written as "RGPENK". How is "ERASER" written in that code?

If "blue" is called "green", "green" is called "yellow", "yellow" is called "red", "red" is called "white", "white" is called "orange", and "orange" is called "blue", what is the color of milk?

In a certain code language, "steel is strong" is written as "pe ra ti", "strong will prevail" is written as "ti ma la", "will is steel" is written as "ra pe ma", and "strong game" is written as "ti jo". What is the code for "strong"?

In a certain code language TEACHER is written as VGCEJGT and CHILDREN is written as EJKNFGPG. How is ELDERLY written in that code language?