Coding and Decoding Questions

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

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

18 x 12 ­ 3 ÷ 10 + 2 = 64

If 20 - 10 means 200, 8 / 4 means 12, 6x2 means 4, then

100 - 10 x 1000/ 1000 + 100 x 10 = ?

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

16 ÷ 4 x 8 - 10 + 14 = 12

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

36 - 4 + 7 x 8

If 'W' means 'x', 'X' means '-', 'Y' means '+' and 'Z' means '/', then 28 Z 7 W 8 X 6 Y 4 = ?

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

18 - 2 ÷ 20 + 5 x 16 = 69

If 20#4 = -5, 50#25 = -2 and 80#16 = -5, then find the value of 10#2 = ?