Pointing towards a girl Rama said that she is only child of my uncle’s father’s only sister’s daughter. Then how is Rama related to that girl?

In a row of girls, if Sujata is 10th from the left and Namrata is 9th from the right, interchange their positions, Sujata becomes 23rd from the left. How many girls are there in the row? 

Direction: In each of the following questions, four words have been given, out of which three are alike in some manner and the fourth one is different. Choose out the odd one.

What will come in place of question (?) mark in the following series?
CD     FG     JK     ?        UV

If PKROK code with 72962 and KRRPK coded with 29972 then how will be coded NJMLZ?

Given set
10.5, 15.0, 21.5 

If HONESTY is written as ABCXZDQ, how can TONY be written in that code? 

Direction: In the following question, select the related letters from the given alternatives.
Touch : Feel :: Great : ?