Verbal Reasoning - Mental Ability Questions

In the following question, select the missing number from the given series.
1, 3, 6, 11, 18, ?

Select the related word/letters/number from the given alternatives.
EFGH: LNPR : : ABCD : ?

There is certain relationship between two given words on one side of : : and one word is given on another side of : : while another word is to be found from the given alternatives, having the same relation with this word as the given pair has. Select the best alternatives/ relationship.

Funk : Vitamins :: Curie : ?

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.

18 x 12 ÷ 5 - 10 + 10 = ?

In the following question, select the related word pair from the given alternatives.
Heart : Organ : : ? : ?

In the following question, select the related number from the given alternatives.
7 : 56 : : 11 : ?

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

master, ember, bombay, animal, abdomen, ?

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