Coding and Decoding Questions

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

18 x 12 ­ 3 ÷ 10 + 2 = 64

If the mathematical operators, 'x' means '+', '/' means 'x', '+' means '-', and '-' means '/', then 22 + 36 - 12 x 6 / 4 = ?

If 16#2 = 16, 12#6 = 36 and 6#1 = 3, then find the value of 4#4 = ?

If "A" means "subtraction", "B" means "division", "C" means "addition" and "D" means "multiplication", then

294 B 7 A 40 C 33 D 11 = ?

If @ means +, # means -, $ means x and * means /, then what is the value of 16 @ 4 $ 5 # 72 * 8 = 

If + means x, - means /, x means + and / means -; compute the value of the expression

36 - 4 + 7 x 8

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

16 x 8 - 4 ÷ 9 + 14 = 37

Answer the questions based on the below information.

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