Verbal Reasoning - Mental Ability Questions

Preeti is the daughter of Rajesh and Amit is the son of Ankita. Rajesh is the only son of Rajan. Ankita is the daughter-in-law of Rajan. How is Preeti related to Amit ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
C11, V17, O23, ?

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

In the following question, select the related letters from the given alternatives.
YONEX : DUUMG : : JASPO : ?

If IMPLORE is coded as GKNJMPC, then how will HUB be coded as?

A plane flies 100 km West, then it turns South and flies 150 km, then it turns West and flies 300 km, then it turns to its right and flies 150 km. Where is it now with reference to its starting position?

In a certain code language, "OCEAN" is written as "PEHES". How is "RIVER" written in that code language?

Savage : Civilized :: ____ : ____