If in a certain code, LUTE is written as MUTE and FATE is written as GATE, then how will BLUE be written in that code?

If SPANK is coded as PSNAK, then THROW is coded as 

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?

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.

Direction: 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 numbers 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, 78etc. Identify the set for the word PENS.

If ‘MERCURY’ is written as ‘FGIECAB’ in a code, how can ‘CURE’ be written in that code?

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.

If in a certain language, COVET is written as FRYHW, then the code ‘SHDUO’ is used for which word?