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?

Fill in the blanks____
gfe_ig_eii_fei_gf_ii

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

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

Seismograph: Earthquakes: Taseometer : ? 

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

Complete the following series.
ZIP, WIP, TIP, ?.