Verbal Reasoning - Mental Ability Questions

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
l m _ o _ n m _ l _ n _ _ n m l

In the following question, select the related number from the given alternatives.

101 : 10201 : : 107 : ?

Choose the odd one from the following:

In the following question, select the related word from the given alternatives.
Book : Pages : : Continent : ?

A man walks 7 km towards south and turns to the left. After walking 5 km, he turns to the right and walks 7 km. In which direction is he now from the starting point?

In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation.

462 = 551
398 = 487
856 = ?

Pointing towards a lady in a photograph, Sushma says, "She is the mother of my grandfather's son". How is Sushma related to the lady in the picture?

Findout the odd word/letters/number/number pair from the given alternatives.