X and Y are brothers. R is the father of Y. S is brother of T and maternal uncle of X. How is T related to R?

Read the following information carefully and answer the questions given below.
'3+2' means '3 is the father of 2'.
'3 – 2' means '3 is the sister of 2'.
'3 × 2' means '3 is the husband of 2'.
'3 ÷ 2' means '3 is the wife of 2'.

Which of the following means 'C is the niece of R'?

Read the following information carefully and answer the questions given below.
'3+2' means '3 is the father of 2'.
'3 – 2' means '3 is the sister of 2'.
'3 × 2' means '3 is the husband of 2'.
'3 ÷ 2' means '3 is the wife of 2'.

What should come in place of question mark (?) in the given expression to make, "X is the grand aunt of Z" definitely true?
X – W ÷ V + Y ? L + M – Z

A # B means ‘A is the brother of B’
A @ B means ‘A is the son of B’
A & B means ‘A is the wife of B’
A % B means ‘A is the mother of B’
If X @ Y & Z # U & W @ V, then how is U related to V?

‘A @ B’ means ‘A is the husband of B’.
 ‘A & B’ means ‘A is the mother of B’.
 ‘A # B’ means ‘B is the daughter of A’.
 If G # H & I @ J & K, then how is H related to J?

C is the mother of A and B. If D is the husband of B, then who is D from C? 

A + B means ‘A is the father of B’
 A – B means ‘A is the mother of B’
 A % B means ‘A is the brother of B’
 A & B means ‘A is the son of B’
 If A + B & C – D + E, then how is A related to E?

‘A # B’ means ‘A is the brother of B’.
 ‘A @ B’ means ‘A is the daughter of B’.
 ‘A & B’ means ‘A is the husband of B’.
 ‘A % B’ means ‘A is the wife of B’.
 If S % D # F @ G & H @ J, then how is F related to H?