Question: What is the code for 'sky' in the code language ?

Statements:

1. In the code language, 'sky is clear' is written as 'de ra fa'.
2. In the same code language, 'make it clear' is written as 'de ga jo'.

Question: How many children are there between P and Q in a row of children ?

Statements:

1. P is fifteenth from the left in the row.
2. Q is exactly in the middle and there are ten children towards his right.

Question: How is T related to K?

Statements:

1. R's sister J has married Ts brother L, who is the only son of his parents.
2. K is the only daughter of L and J.

Question: How is J related to P ?

Statements:

1. M is brother of P and T is sister of P.
2. P's mother is married to J's husband who has one son and two daughters.

Question: How is X related to Y ?

Statements:

1. Y and Z are children of D who is wife of X.
2. R's sister X is married to Ys father.