Coding and Decoding Questions

If 60#40 = 10, 40#20 = 6 and 60#90 = 15, then find the value of 40#30 = ?

Answer the questions based on the below information.

If '+' is 'x', '-' is '+', 'x' is '/' and '/' is '-' then 6 - 9 + 8 x 3 / 20

If A=C , B= D , C = E and so on, code the following:-

‘STUDENT’

Answer the questions based on the below information.

If '+' is 'x', '-' is '+', 'x' is '/' and '/' is '-' then 6 + 7 x 3 - 8 / 20 = ?

If 7Ω6 = 84, 8Ω7 = 112 and 8Ω4 = 64, then find the value of 3Ω4 = ?

If

4x9=25
7x4=53

then

9x4=?

Replace # sign with the mathematical operators '+', '/','-'or'=' to get a balanced equation out of 186 # 31 # 36 # 30.

If FRIEND is coded as HUMJTK, how is CANDLE written in that code ?