Verbal Reasoning - Mental Ability Questions

Choose the related word/letters/number from the given alternatives. RARE : ERAR : : ROCKET : ?

X and Y are brothers. R is the father of Y. T is the sister of S who is maternal uncle of X. How is T related to R?

In a certain code language, “LUNGS” is written as “OWQIV”. How is “HEART” written in that code language?

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

If in a certain code language, "STUBBORN" is written as "TUVCANQM". How is"TRAINING" 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.

DJO, EKP, FLQ, GMR, ?

Some books are arranged one above the other. If a book is at 18th position from the top and 5th position from bottom then the total number of books is

Select the related word/letters/number from the given alternatives.
30 : 16 :: 24 : ?