Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it.
deb, ijg, nol ? xyv

Directions: Read the following information and answer the questions given below it:
A is the father of C. But C is not his son.
E is the daughter of C. F is the spouse of A.
B is the brother of C. D is the son of B.
G is the spouse of B. H is the father of G. 

Who is the son of F?  

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’.

‘ 8 7 3’ would mean

Five friends are sitting in a row, looking in the south direction. Among them, Mohan is between Balu and Raju and Raju is on the immediate right of Parveen. Similarly, Amit is to the right of the Balu. Accordingly, who is on the right side?

Study the following information carefully to answer the given questions.There are seven friends namely A, B, C, D, E, F and G each of them aspires to become something. Each of them likes different colours viz. Blue, Yellow, Green, Violet, Red, Black and Pink but not necessarily in the same order.Each of them wants become Lawyer, Doctor, Engineer, Actor, Pilot, Soldier and Cricketer but not necessarily in the same order.
E likes violet colour and wants to become a Doctor.
C likes yellow colour and wants to become a Cricketer.
G doesn’t like black colour and doesn’t want to become an Engineer.
The person who likes red colour, wants to become an Actor while the person who wants to be a Pilot, likes blue colour.
A likes pink colour but F doesn’t like green or black colour and he doesn’t want to become an Actor.
D wants to become a Lawyer. B doesn’t want to become an Engineer or a soldier.

Who among the following likes red colour?

Find the missing number in the given series.
1, 3, 9, 31, ___ 651

In a certain code language, “MOBILE” is written as “OQDKNG”. How is “RANGER” written in that code language?

Read all the information and an answer to the question.
A @ B means ‘A is the mother of B’;
A # B means ‘A is the husband of B’;
A % B means ‘A is the father-in-law of B’;
A & B means ‘A is the son of B’;
If, T @ L % P @ W & F & C, then how is C related to W?