Coding and Decoding Questions

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

5 + 8 ÷ 40 - 20 x 25 = 6

Answer the questions based on the below information.

If '+' is 'x', '-' is '+', 'x' is '/' and '/' is '-' then 3 x 2 + 4 - 2 / 9 = ?

If 9&4 = 50, 3&7 = -40 and 7&5 = 20, then find the value of 4&5 = ?

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

14 ÷ 10 x 20 - 40 + 34 = 1

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

12 ÷ 4 - 15 x 10 + 2 = 8

If 18$2 = 10, 8$4 = 6 and 12$18 = 15, then find the value of 7$9 = ?

If "$" means "added to", "@" means "divided by", "#" means "multiplied by" and "%" means "subtracted from", then

136 @ 17 # 0 $ 19 % 5 = ?

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

18 ÷ 2 - 25 x 9 + 6 = 38