In the following question, select the related word from the given alternatives.
Encouragement: Victory :: Frustration: ?

Virology : Virus :: Semantics : ? 

Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.
FLQV :JISU :: DJNR : ?

Which of the following letter clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pair on the left side of:: is the same as that on the right side of::?
# : KNE :: PQV : %

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
K6V, M12U, O18T,?

11 : 1331 :: 9 : ?

In a row of children Deepti is 9^th from the left and kashish is 13^th from the right. When they exchange their positions and then Deepti becomes 18^th from the left. What is the new position of Kashish from the right end of the row?