Coding and Decoding Questions

If DIJOB means CHINA, then the last letter of the word got by decoding KBQBO is

If "S" denotes "multiplied by", "V" denotes "subtracted from","M" denotes "added to" and "L" denotes "divided by", then

44 L 11 S 7 V 7 M 9 = ?

In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.

7 ÷ 10 - 15 + 6 x 18 = ?

If 75$26 = 4, 69$53 = 7 then what is the value of 82$46 = ?

In a certain code language "POUCH" is written as "53461", and "PRAYERS" is written as "578902⇑". How will "CHEES" be written in that code language?

If 5Δ1 = 40, 9Δ9 = 0 and 7Δ1 = 60, then find the value of 4Δ9 = ?

In a certain code language, '÷' represents '+', '-' represents 'x', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.

14 x 10 ÷ 5 - 20 + 4 = ?

In a certain code language, “STOINS” is written as “ROHPST”. How is “MARCUS” written in that code language?