Verbal Reasoning - Mental Ability Questions

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

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

In the following question, select the related word from the given alternatives.
Calendar : Date : : Index : ?

If 4 cats can kill 4 rats in 4 minutes, how many minutes will it take 8 cats to kill 8 rats?

A certain system is followed to solve the problem . Accordingly find out the correct answer from the alternatives for the unsolved equations.

7 x 4 x 9 = 479
9 x 5 x 2 = 592
6 x 9 x 5 = 965
8 x 6 x 2 = ?

In a certain code language, "NATURE" is written as "TANURE". How is "LISTEN" written in that code language?

In the following question, select the related word pair from the given alternatives.

Power : Watt : : ? : ?

In each question below are three statements followed by two conclusions numbered I and II. You have to take the three given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the three statements disregarding commonly known facts.
Statements:
All numbers are digits.
All alphabets are numbers.
All words are alphabets.
Conclusions:
I. All words are digits.
II. Some numbers are not words.