Verbal Reasoning - Mental Ability Questions

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
XIIIII, IXIIII, IIXIII, IIIXII,IIIIXI, ?

Select the related word/letters/number from the given alternatives.
ABDE : FGIJ :: IJLM : ?

In a certain code language "CANADA" is written as "BZMBEB". How is "SYDNEY" written in that code language?

Spandana is the sister of Raju. How is Raju's father's sister related to Spandana?

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

A, C, E, G, ?

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

SAY, TDD, UGI, VJN, ?

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

Select the related word/letters/number from the given alternatives.
MUMBAI: UMBMIA :: GURUGRAM : ?