In which liquids, metals, and gases are displayed.

Fill in the blanks____
gfe_ig_eii_fei_gf_ii

A, B, C, D, E, F, G and H are sitting around a circular table facing the centre but not necessarily in the same order. 

C is an immediate neighbour of both G and A. E sits second to left of C. Two people sit between E and H. B is an immediate neighbour of G. Only one person sits between B and F.

What is the position of D with respect to H in the above arrangement?

The position of how many alphabets will remain unchanged if each of the alphabets in the word WALKING is arranged ideal alphabetical order from left to right?

Which number will come in the place of question mark?
45, 55, 66, 78, 91, ?

Direction: - Two Statements are given following by four conclusions, I, II, III and IV. You have to consider that Statements to be true, even if they seem to be at variance from commonly known facts. You are to decide which of the given conclusions can definitely be drawn from the given Statements. Indicate your answer. 

Statements:
Some books are Magazines.
Some Magazines are Novels.
Conclusion:
I. Some books are Novels.
II. Some Novels are Magazines.

Select the term that will complete the following letter series.
QN, RP, TS, WW, ____ FH

Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.
 25 : 264 :: 31 : ? :: 49 : 456