Coding and Decoding Questions

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

If "#" means "subtraction", "&" means "division", "@" means "addition" and "%" means "multiplication", then 217 & 7 # 3 @ 2 % 7 = ?

If MOMENTUM is coded as EMOMNTUM , then MAGNETIC will be coded as?

If 15@7=44; 5@4=18; 6@17=46; then what is the value of 17@4=?

If PONDERS is coded as ONCDQR, then how will MAT be coded as?

If 'x' means addition, '­' means division, '÷' means subtraction and '+' means multiplication, then which of the equations is correct?

In a certain code, 329 means 'you are bad', 419 means 'bad is good' and 195 means 'nothing is bad'. ___ represents 'good'.

If 6 * 9 – 4 = 58 and 3 * 9 – 7 = 34, then in the expression A * 4 – 9 = 91, what is the value of 'A'?