Coding and Decoding Questions

If the mathematical operator, '+' means 'x', '/' means '-', '-' means '+', and 'x' means '/', then the value of 11 +14 x7- 5 / 29 is

If green means red, red means yellow, yellow means blue, blue means orange and orange means green, what is the colour of clean sky ?

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

30 ÷ 2 - 10 x 6 + 5 = 35

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

14 + 18 x 40 - 10 ÷ 20 = 66

If 7*7 = 140, 6*1 = 70 and 3*5 = 80, then find the value of 4*4 = ?

If 3!5 = 30, 6!1 = 12 and 5!8 = 80, then find the value of 2!2 = ?

If S means '+', L means 'x', U means '/' and K means '-', then the value of

21 S 1 U 7 L 15 U 6 L 14 K 55

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

20 + 12 x 35 - 20 ÷ 10 = 31