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.

How many persons are seated between Y and W? 

SPECIFICATION 

From the following options, select the word which cannot be formed using the letters of the given word.
FRIENDSHIP 

Select the set in which the numbers are related in the same way as are the numbers of the following set. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.)
 (3, 2, 35)
 (1, 4, 65)

Ram is facing towards the south. He turns to his left and moves 40 km, and then turns to his right and moves 50 km more. Finally, he turns to his left again and moves 60 km. Which direction is he facing now?

Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and the fourth letter-cluster is related to the third letter-cluster.
 OILS : UNLS :: PAIN : PKDT :: QUIK : ?

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
11 * 7 * 345 * 5 * 31 = 115

Find the missing number?