Coding and Decoding Questions

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

16 ÷ 4 x 8 - 10 + 14 = 12

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

14 + 18 x 40 - 10 ÷ 20 = 66

If 40@8 = 50, 30@3 = 100 and 10@2 = 50, then find the value of 20@5 = ?

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

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

Select the correct set of symbols which will fit in the given equation?

5 0 3 5 = 20

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?

24 + 4 - 20 ÷ 9 x 5 = 31