Coding and Decoding Questions

If ‘A’ means ‘+’, ‘B’ means ‘–’, ‘C’ means ‘×’ and ‘D’ means ‘÷’, then which of the following equation is true?

If 9x3=3; 15x3=5; 60x5=12; then what is the value of 27x3 = ?

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

160 + 8 x 30 ÷ 4 - 6 = ?

If 5 x 4 x 0 = 405
3 x 2 x 8 = 283
then 1 x 7 x 6 = ?

In a certain code language, " EXCITED" is written as "DETICXE". How is "KINLEY" written in that code language?

In a certain code language "CANADA" is written as "BZMBEB". How is "SYDNEY" written in that code language?

If ALPHA = 36, BETA = 26 then DELTA = ?

If 12 (20) 16 and 21 (35) 28, then what is value of A in 48 (80) A ?