Verbal Reasoning - Mental Ability Questions

The following question consist of two words each that have a certain relationship to each other, followed by lettered pairs of words . Select the lettered pair that has the same relationship as the original pair of words. 

Proscenium : Stage

Which of the following figures correctly represents the relations between:

Doctors, Lawyers, Professionals

There are seven persons P, Q, R, S, T, U and V up on a ladder(not in this order).P is further up than T but is lower than R. Q is in the middle. V is between P and Q. T is between Q and U. If U is between T and S, the person on the bottom step of the ladder will be ?

Arun and Amit started walking from two different points 'A' and 'B' respectively.Arun walks 2 kms North and turns to the East and walks 3 kms and again turns to North walks 4 kms and finally turns to East and Walks 5kms to reach point 'C'. Similarly, Amit walks 2 kms North and turns to west and walks 3 kms and finally turns to North, walks 4 kms and meets Arun at point 'C'. What is the distance between Arun and Amit's starting points?

Laxmi goes 6 km towards South-East from her office.Then she goes 15 km turning to West. After this she goes 6 km towards North-West and in the end she goes 11 km towards East. How far is she from her office ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

RIP, TLT, VOX, XRB, ?

Find out the wrong term in the series 3, 7, 15, 39, 63, 127, 255, 511

Find out the wrong term in the series 125, 126, 124, 127, 123, 129