Coding-Decoding

In a certain code language, the word "MATH" is written as 131208. How will "SCIENCE" be written in that code?

If in a code, the word "COMPUTER" is written as "DPNQVUFS," how is the word "KEYBOARD" written in that code?

If 4 * 5 = 42, 6 * 3 = 38, and 7 * 8 = 114, find the value of 9 * 6

In a code language, 2345 means "DEAR," 9876 means "LOVE," and 5342 means "READ." What does 6798 mean in that code?

In a certain code, "A # B" means "A is 2 more than B," "A @ B" means "A is half of B," and "A $ B" means "A is the square of B." If 5 # 3 and 4 $ 2 are true, what is the result of 16 @ 8?

If the word "SMART" is coded as 191311820, find the code for the word "BRAIN"

If "57" is coded as "18" and "96" as "27," then what is the code for "82"?

If "CAT" is coded as 3120 and "DOG" as 4157, find the code for "FOX".

In a certain code, If "HELLO" is coded as "JGNNQ" how would "WORLD" be coded?

If 3 & 4 = 10, 5 & 6 = 16, and 2 & 8 = 12, what is the value of 7 & 5?