Coding and Decoding Questions

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

18 - 2 ÷ 20 + 5 x 16 = 69

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

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

If signs - and x, and numbers 3 and 15 are interchanged, what is the value of 3+12/6-4x15 is

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

16 ÷ 4 - 50 x 4 + 18 = 26

Answer the questions based on the below information.

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

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

6 x 18 + 40 ÷ 30 - 10 = 20

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

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