Coding and Decoding Questions

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

18 x 12 ­ 3 ÷ 10 + 2 = 64

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

16 ÷ 4 - 50 x 4 + 18 = 26

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

18 - 2 ÷ 20 + 5 x 16 = 69

If 18$6 = 6, 8$2 = 3 and 8$4 = 2, then find the value of 18$12 = ?

If K denotes x, T denotes ÷, V denotes + and R denotes –, then

16 V 24 T 8 R 6 T 2 K 3 = ?

If "A" means "plus", "B" means "divide", "C" means "multiply" and "D" means "minus", then

162 B 27 C 5 A 8 D 35 = ?

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

6 x 18 + 40 ÷ 30 - 10 = 20

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

15 + 2 ÷ 20 x 10 - 6 = 13