Coding and Decoding Questions

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

32 ÷ 16 - 5 x 8 + 2 = 13

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

14 + 18 x 40 - 10 ÷ 20 = 66

If 70!10 = -7, 70!5 = -14 and 40!4 = -10, then find the value of 20!2 = ?

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

14 + 18 x 40 - 10 ÷ 20 = 66

Answer the questions based on the below information.

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

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

If 6@16 = 11, 2@14 = 8 and 8@8 = 8, then find the value of 10@18 = ?

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

12 - 16 x 25 ÷ 80 + 10 = 7