Verbal Reasoning - Mental Ability Questions

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

Find the odd word/letters/number pair from the given alternatives.

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

In the following question, select the related number from the given alternatives.
243 : 578 : : 163 : ?

Select the related number from the given alternatives.
12.5 : 6.25 :: 7 : ?

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

In a certain code language, “FAINT” is written as “DYGLR”. How is “METRO” written in that code language?

Gopal is older than Mohan but younger than Ram. Mohan is older than Sohan but younger than Ram. Who is the oldest?