Coding and Decoding Questions

If 9@7=4; 6@1=10; 7@4=6; then what is the value of 8@2=?

If SQUALOR is coded as USWCNQT, then how will WHY be coded as?

In a certain code language, “RINKS” is written as “SKOMT”. How is “FRIED” written in that code language?

If '÷' stands for subtraction,'-' stands for addition,'x' stands for division and '+' stands for multiplication, then which one of the following equation is correct?

If '+' means '÷', '÷' means '­', '­' means 'X' and 'X' means '+', then 48 + 16 x 4 ­2 ÷ 8 = ?

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

80 x 16 ÷ 4 + 2 - 8 = ?

In a certain code language, “FRONT” is written as “618151420” and “BORNE” is written as “21518145”. How is “MORNS” written in that code language?

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

96 L 12 S 7 V 49 M 10 =?