"RUMOUR" is written as "MURRUO". How is "RACKET" written in that code language? 

Study the following information to answer the given questions:
In a certain code ‘a friend of mine’ is written as ‘4 9 1 6’  ‘mine lots of metal’ is written as ‘3 1 0 9’ and ‘a piece of metal’ is written as ‘7 1 6 3’.

What does ‘0’ stands for?

If STARDOM is coded as HBAGDDB, then what will be code for WASHINGTON?

If HOME is coded as IONE, DONE is coded as EOOE and CORD is coded as DOSE, how would you code SOLD?

Directions: Which word will come in the middle if all of them are arranged alphabetically as in a dictionary?
A. Heaven        B. Hillock         C. Hawker         D. Hilt         E. History

How many such pairs of letters are there in the word ‘ANIMATION’ each of which has as many letters between them in the word as in the English alphabet?

Choose the correct alternative.
Food : Stomach :  : Fuel : ? 

71, 59, 48, 38, 29, ?