CFL, EIK, GLJ, IOI, ? 

Directions: Which word will come in the middle if all of them are arranged alphabetically as in a dictionary?
A. Heaven        B. Hillock         C. Hawker         D. Hilt         E. History

Arrange the given words in the sequence in  which they occur in the dictionary.
1. First
2. Frown
3. Fist
4. Fast
5. Floor

Direction: What should come in place of the questions mark (?) in the following letter series?
reoc, pgme, nikg, Ikii, ? 

How many pairs of letters are there in the word ‘CAMARADERIE’ which have as many letters between them as they have between them in the English alphabet?

From the given alternatives select the word which cannot be formed using the letters of the given word
ADMINSTRATOR

Direction: Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it.
ab_bba _ _bba _abb _ _a