Study the following information to answer the given questions:
In a certain code ‘a friend of mine’ is written as ‘4 9 1 6’  ‘mine lots of metal’ is written as ‘3 1 0 9’ and ‘a piece of metal’ is written as ‘7 1 6 3’.

What does ‘9’ stand for?

If in a code language RUSTUM is written in INWANZ and RASTOGI is written is LXWAVJK, how would RUSSIA be written in that code? 

In a code language, SEDATIVE is coded as ATDESEVI. How would PERSONAL be coded in that manner?

In the following question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of number given in the alternatives are represented by two classes of alphabets as in the 2 matrices given below. The columns and rows of Matrix-I are numbered from 0 to 4 and that of Matrix-II from 5 to 9. A letter from these matrices can be represented first by its row and next by column number. For example, 'W' can be represented by 13, 20 etc, 'H' can be represented by 66, 78 etc. Identify the set of the word PENS.

A word is represented by only one set of numbers as given in anyone of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of matrix I are numbered from 0 to 4 and that of matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e. g., ' B ' can be represented by 04, 11, 23, etc. and ' N ' can be represented by 59, 66, 78, etc. Identify the set for the word MILK.

In a certain code language, CRY is written as MRYC, How is GET written in that language?

In a sign language 'CROWN' is written 'DPRSS’, how will 'PAINT' be written in this sign language? 

If “UNCOVER” is coded as “FMXLEVI”, then how will "TIP" be coded as?