Verbal Reasoning - Mental Ability Questions

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

Recalcitrant

In the following question, select the odd number pair from the given alternatives.

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

4, 5.2, 6.4, ?, 8.8

In a certain code language, “RAPID” is written as “GLSDU”. How is “WATER” written in that code language?

The following question consist of two words that have a certain relationship to each other, followed by four alternatives. Select the best alternative that has the same relationship as the original pair of words

Barrel: Vial

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

ALZ,CJV,EHR,GFN,?

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

Find out the odd word/letters/number/number pair from the given alternatives.