Verbal Reasoning - Mental Ability Questions

In certain code, if 'AMOUNT' is written as 'BNPTMS', how is 'AROUND' written in that code?

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

B, F, K, Q, ?

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

L, O, Q, T, V, ?

Anand is son of Prema. Rajeev is brother of Prema. Neha is daughter of Rashmi . Neha is sister of Rajeev. How is Anand related to Rashmi ?

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

BMY, DNW, FOU, ?

Mathur's uncle's daughter's brother is Salmi. How is Sonm related to Mather? 

Square is related to Line in the same way as Cube is related to

Select the related number from the given alternatives.
3/7 : 7/3 :: 9/2 : ?