Coding and Decoding Questions

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

18 x 12 - 6 ÷ 5 + 4 = 35

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

9 ÷ 3 - 30 x 7 + 6 = 15

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?

17 - 20 ÷ 25 x 6 + 10 = 12

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

If "A" means "subtraction", "B" means "division", "C" means "addition" and "D" means "multiplication", then

411 B 3 A 29 C 53 D 20 = ?

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

26 - 2 x 30 ÷ 6 + 16 = 20

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

5 0 3 5 = 20