Verbal Reasoning - Mental Ability Questions

FRIEND : FPIBNZ

Follows a pattern that,

F - F

R- second letter to left of R i.e, P

I - I

E - Third letter to left of E i.e, B

N - N

D - Fourth letter to left of D i.e, Z

Similarly, for PATRON 

P - P

A -  second letter to left of A i.e, Y

T - T

R - Third letter to left of R i.e, O

O - O

N - Fourth letter to left of N i.e, J

PATRON : PYTOOJ

Therefore, FRIEND : FPIBNZ :: PATRON : PYTOOJ

Letters in the word 

C K E

Letters in the alphabet

C D E

My mother's only daughter means the woman itself. Woman's daughter is the mother of man in question.Therefore, the woman (speaker) is the grand mother of man. Thus, man is the grandson of the woman.

The 4th day is tuesday, then 11, 18, 25th also tuesdays

Then 3 days after 24th is 27th, which is thursday

First is used to prepare the second.

Hence, Wax : Grease :: Milk : Curd.

The new letter sequence is NOITARTNECNOC.

The eighth letter from the end is R.