Verbal Reasoning - Mental Ability Questions

P is the brother of Q. Q is the brother of R. P is the son of S. Based these three statements, much of the following statements cannot be definitely true?

In the following question, select the related letter pair from the given alternatives.PIR : OHQ : : ? : ?

Which one of the following figures best represents the relationship among Kitchen, House and Garden?

In the following question, select the related word from the given alternatives.
Ampere : Electric current : : Fathom : ?

From the given words, select the word which can be formed using the letters of the given word.
AMPLIFICATION

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
a _ bc _ a _ bcdabc _ da _ cd _

In a row of swimmers Manish, is 23rd from the left end. Ramesh is 11 ranks to the left of Manish. If Ramesh is 16th from right end, then how many swimmers are there in this row?

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

0, 3, 8, ? , 24, 35