Verbal Reasoning - Mental Ability Questions

In a certain code GIVE is written as VIEG and OVER is written as EVRO. How will DISK be 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.

DEC, HIG, LMK, PQO, TUS, ?

In the following question, by using which mathematical operator will the expression become correct?
18 ? 6 ? 9 ? 27

Venu is the Son of Avani and Amit is the son of Avani's brother. How is Amit's Mother related to Venu?

There is certain relationship between two given words on one side of : : and one word is given on another side of : : while another word is to be found from the given alternatives, having the same relation with this word as the given pair has. Select the best alternatives/ relationship.

Contamination : Food :: Infection : ?

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?

_BC_Q_AB_P_R

If "A" denotes "added to", "C" denotes "divided by", "D" denotes "multiplied by" and "B" denotes "subtracted from", then 72 C 9 D 2 B 6 A 10 = ?

In the following question, select the related number from the given alternatives.
562 : 30 : : 663 : ?