Coding and Decoding Questions

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?

10 ÷ 18 + 25 x 20 - 5 = 92

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

3 + 5 - 2 = 4

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

3 + 4 - 25 ÷ 2 x 12 = 41

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

21 + 16 x 35 - 70 ÷ 20 = 9

If "#" means "subtraction", "&" means "division", "@" means "addition" and "%" means "multiplication", then

132 & 3 # 10 @ 20 % 2 = ?

If x means -, / stands for +, + stands for /, and - stands for x, which of the following gives 125 - 50 / 10 + 20 x 4 ?

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 = ?