In the following question, select the odd word from the given alternatives.

Select the number from among the given options that can replace the question mark (?) in the following series. 

5, 18, 70, 278, ?

Directions: From the given alternative words, select the word which can be formed using the letters of the given word.

ENCOURAGEMENT 

In the following question, select the related letter from the given alternatives.
A : I : : N : ?

Directions: Read the following information carefully and answer the questions given beside.
G is the mother of F, who is the spouse of D. M is the daughter of D, who is the only brother of C. E is the son of G, who is married to H. A is the niece of C, who has no sister. T is the father of D and has no daughter. V is the sister-in-law of F.  G has only two children. M is the granddaughter of O.

How is F's mother-in-law related to T?

Six friends J, K, L, M, N and O are sitting around a circular table facing the centre. N is not an immediate neighbour of M. M is sitting to the immediate left of J. J is sitting opposite to L, who is sitting to the immediate right of K. Who is sitting second to the left of L?

In a certain code language, “ARE” is coded as “87”, and “NOT” is coded as “4197”. How will “CAT” be coded in that language? 

8, 29, 113, 449, _?