Verbal Reasoning - Mental Ability Questions

In a code language, if LUCK is written as L2U1C3K1, then what is the last digit for the code for XEROX in that same language?

1Mithilesh said to Neha, 'Your only brother's son is my wife's brother.' How is Neha related to the wife of Mithilesh?

Two angles whose sum is 90 are

Sanjeev scored the highest marks in the class. Rahul scored more than Nirbhay but lesser than Sameer. Arpit scored more than Rahul. Who got the 4th Rank out of the five?

Introducing a girl Anjali says, "She is the daughter of the only sister of the son of my mother". How is the girl related to Anjali?

In a certain code language, "VERBAL" is written as "KZAQDU". How is "CURIOUS" written in that code language?

There are five students - P, Q, R, S and T having different heights in a class. P's height is more than only one student. Q's height is more than S and P
but not more than R. S's height is more than P. R is not the smallest. Who is having the maximum height in the class?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
C11, V17, O23, ?