Coding and Decoding Questions

If in a language RAT is coded as "@$&" and HEAD is coded as "%*$#" then THREAD is coded as what ?

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

9 ÷ 3 - 30 x 7 + 6 = 15

In a certain code language, "LOYALTY" is written as "MPZBMUZ". How is "PROCLAIM" written in that code language?

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

7 x 16 + 20 - 20 ÷ 10 = 31

In a certain code language, "MASTER" is written as "682145" and "STAMP" is written as "21869". How is "PASTE" written in that code language?

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

12 + 8 - 25 ÷ 10 x 18 = 14

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

5 0 3 5 = 20

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

30 ÷ 2 - 10 x 6 + 5 = 35