Coding and Decoding Questions

In a certain code language, “TUBE” is written as “202125” and “PINCH” is written as “1691438”. How is “MARC” written in that code language?

If the given interchanges namely signs + and / and numbers 2 and 4 are made in signs and numbers, which one of the following would be correct?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then

10 V 12 M 42 L 6 S 4 = ?

In a certain code language, “LATIN” is written as “ODWLQ”. How is “ROUTE” written in that code language?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

54 x 9 - 3 ÷ 4 = ?

If L stands for +, M stands for -, N stands for x and P stands for /, then 8 N 9 L 60 P 3 M 13 = ?

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

If '+' stands for '÷', '­' stands for '=', 'x' stands for '+', '÷'stands for greater than, '=' stands for less than, '>' stands for multiplication and '<' stands for subtraction, then which of the following alternatives is correct?