Select the option that will fill in the blank and complete the given series.
DXB, GSI, JNP, MIW,___

Find the value of Question mark (?).
25 : 37 :: 49 :?

2, 12, 36, 80, 150, ?

Study the following information carefully and answer the questions given below:
 
Twelve people are sitting in two parallel rows containing six people each, in such a way that there is an equal distance between adjacent persons. In row-1 K, J, I, H, G and V are seated and all of them are facing South. In row-2 Z, Y, X, W, E and U are seated and all of them are facing North. Therefore, in the given seating arrangement each member seated in a row faces another member of the other row.
K sits third to the right of G. Z sits second to the right of E. Neither Z nor E faces G or K. Z does not sits at any of the extreme end. I does not faces Z or E and I does not sits at any of the extreme end. Only one person sits between U and X. Neither U nor X faces G. X does not sits at any of the extreme end. Only one person sit between V and J. U is not an immediate neighbour of Y. Z does not faces V. W sit extreme left end of the row.

Which of the following is true regarding V? 

Choose the correct option which complete the series.
ADG, XVT, BEH, WUS, ?

Direction: In these questions the symbols $ , @ , £ , • and # are used with different meanings as given below :
' X $ Y ' means X is neither greater than nor smaller than Y '
 ' X @ Y ' means X is neither greater than nor equal to Y '
 ' X £ Y ' means X is neither smaller than nor equal to Y '
 ' X• Y ' means X is not smaller than Y '
' X # Y ' means X is not greater than Y '
( A ) If only conclusion I is true
( B ) If only conclusion II is true
( C ) If either conclusion I or II is true
(D ) If neither conclusion I nor II is true
( E ) If both conclusion I and II are true    

Statements: Z£N, N # K, K $ M, M@R 

Statement 

Should high chimneys be installed in industries? 

Arguments 

I. Yes, it reduces pollution at ground level. 

II. No, it increases pollution in upper atmosphere. 

Directions : In each of the following questions, select the related word from the given alternatives. 

President : India : : King : ?