Coding and Decoding Questions

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

13 - 14 ÷ 30 x 7 + 15 = 13

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

15 x 4 + 10 - 10 ÷ 14 = 10

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

15 x 2 + 10 - 8 ÷ 20 = 15

If "A" denotes "addition", "B" denotes "divided by", "C" denotes "multiplication" and "D" denotes "subtraction", then

96 B 12 C 4 A 8 D 32 = ?

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

40 ÷ 8 x 5 + 15 - 2 = 30

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

14 + 18 x 40 - 10 ÷ 20 = 66

Which one of the following interchanges in signs and numbers would make the given equation correct?

3 + 5 - 2 = 4

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