Coding and Decoding Questions

If PONDERS is coded as ONCDQR, then how will MAT be coded as?

If 6 * 9 – 4 = 58 and 3 * 9 – 7 = 34, then in the expression A * 4 – 9 = 91, what is the value of 'A'?

In a certain coded language, 'hit ka tom' is written as 'tie the shoes', 'ka lo fod' is written as 'shoes of leather' and 'lo tin lot' is written as 'leather and raxin'. How is 'of' written in this code language?

If '÷' stands for subtraction,'-' stands for addition,'x' stands for division and '+' stands for multiplication, then which one of the following equation is correct?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

80 x 16 ÷ 4 + 2 - 8 = ?

If in a certain language TEACHER is coded as QBXZEBO, then how is STUDENT coded in the same language?

In a certain code, if DOG is written as 4157, then what will MAT be written as ?

In a certain code language, “TALCS” is written as “UENCV”. How is “SPARK” written in that code language?