oru_o_uxor_x_rux 

2, 15, 4, 47, 7, 118, 11, ?,?

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?

Find the number of triangles in the given figure.

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?

There is a group of five persons, namely of  A, B, C, D & E
i) ‘A’ is shorter than "B". But taller than E
ii) 'C' is the Tallest
iii ) 'D' is shorter than B, but taller than 'A'.
Reply the following questions on the basis of above information.
If all five persons stand according to height, then who will be in mid of them? 

Pointing towards a woman, Amit said, "She is the sister of my wife's husband." How is the woman related to Amit?

Introducing a boy Rahul says, "He is the son of the brother of the only daughter of my maternal grandfather". How is the boy related to the Rahul?