Verbal Reasoning - Mental Ability Questions

In a certain code language, "TREASON" is written as "RKWWINX" and "POULTRY" is written as "CNXHYKT". How is "NUMBER" written in that code language?

A boy travels 4 km towards south and then takes a right turn travels another 3 km in that direction. How far and in which direction is he now from his original position?

In the following question, select the related letters from the given alternatives.
FS : LY : : IV : ?

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Threatened

If X has two sisters - Y and Z, and W's mother is the sister of Y's father, then W is Z's ___.

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

AB, FG, KL, PQ, ?

BACTERIA : ILLNESS :: ____ : ____

If BROTHER is coded as GWTYMJW, then SCHOOL is coded as