Coding and Decoding Questions

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

411 B 3 A 29 C 53 D 20 = ?

If 18$2 = 10, 8$4 = 6 and 12$18 = 15, then find the value of 7$9 = ?

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

17 - 20 ÷ 25 x 6 + 10 = 12

If "$" means "added to", "@" means "divided by", "#" means "multiplied by" and "%" means "subtracted from", then

136 @ 17 # 0 $ 19 % 5 = ?

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?

9 ÷ 3 - 30 x 7 + 6 = 15

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

14 + 8 ÷ 16 - 9 x 12 = 10

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

305 B 5 A 28 C 43 D 12 = ?