Verbal Reasoning - Mental Ability Questions

In the following question, select the related number from the given alternatives.
48 : 63 : : 80 : ?

Select the related word/letters/number from the given alternatives.
Opposite : Identical : : Lengthy : ?

In a certain code language, “FUNGI” is written as “HYPKK”. How is “ALGAE” written in that code language?

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

9, 17, 44, 108, 233, ?

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

E, H, L, O, S, ?

 In a certain code language, “POLIS” is written as “SROLV”. How is “MRUGS” written in that code language?

If in a certain code, UNGIMMICKY is written as MIGNUYKCIM, then how will COMPLEXITY be written as in the same code?

The given ven diagram represents the students who can speak different languages. According to it, the total number of students who can speak exactly two languages is ___.