Coding and Decoding Questions

If BOULDER is coded as ZMSJBCP, then how will ELK be coded as?

In a certain code language, “FRAK” is written as “35” and “MALT” is written as “45”. How is “TRIM” written in that code language?

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

18 + 2 x 30 ÷ 6 - 4 = ?

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

16 x 4 ÷ 15 - 9 + 4 = ?

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

In a certain code, RIPPLE is written as 613382, PREACH is coded as 362457. How is PILLER written in that code?

If in a certain language, TREE is coded as USFF, how is MANGO coded in that language?