Coding and Decoding Questions

In a code language, if LUCK is written as L2U1C3K1, then what is the last digit for the code for XEROX in that same language?

If 6@1 = 12, 6@2 = 24 and 9@9 = 162, then find the value of 4@6 = ?

If 35 % 31 = 12, 92 % 30 = 14 then what is the value of 15 % 24 = ?

If BOULDER is coded as ZMSJBCP, then how will ELK be coded as?

In a certain code, if LEMON is coded as PWOMA then SHIRT is coded as

In a certain code language, "DISORDER" is written as "OSIDREDR". How is "PRACTICE" written in that code language?

In a certain code language, '-' represents 'x', '÷' represents '+', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.

9 ÷ 12 - 15 + 4 x 10 = ?

In a certain code language, "REMINDER" is written as "SFNJMCDQ". How is "STANDARD" written in that code language?