Verbal Reasoning - Mental Ability Questions

In the following question, select the related word pair from the given alternatives.
Heart : Organ : : ? : ?

A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series.

master, ember, bombay, animal, abdomen, ?

Introducing a girl, Raju says, "She is the daughter of my grandfather's son's daughter". How is the girl related to Raju?

If 27 (15) 33 and 41 (13) 53, then what is the value of 'A' in 26 (A) 35?

In a certain code language, "SCENE" is written as "TBFMF". How is "TRAIN" written in that code language?

Some equations have been solved on the basis of a certain pattern. Find the correct answer for the unsolved equation on that basis.

8x7x6=765
5x3x2=421
9x6x4= ?

In a certain code language, "RUMOUR" is written as "MURRUO". How is "RACKET" written in that code language?

What will come in place of the question mark (?) in the following number series?11, 19, 40, 87, 173, ?