Coding And Decoding Mock Tests

In a certain code language, "LAPTOP" is written as "MBQUPQ". How is "MOUSE" written in that code language?

In a certain code, "3T9" means "Tom is tall", "9T4" means "Tom is thin", and "4S7" means "Thin is smart". Which code means "smart"?

In a certain code language, "HEAT" is written as "JGCV" and "COOL" is written as "EQON". How is "WARM" written in that code language?

In a certain code language, "COMBINE" is written as "DPNCJOE". How is "FAMILY" written in that code?

In a certain code language, "FRIDAY" is written as "GTJEBZ". How is "THURSDAY" written in that code language?

If in a certain code, "FRIEND" is written as "HUMJTK", how is "CANDLE" written in that code?

In a certain code language, 'COMPUTER' is written as 'DPNQVUFS'. How will 'KEYBOARD' be written in that code?

In a certain code language, each letter of a word is shifted one position forward. If "COMPUTER" is written as "DPNQVUFS", how is "NEXTDAY" written in that code language?