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 family has 6 members P, Q, R , S , T and U. Q is the son of R, but R is not the mother of Q. P and R are a married couple. T is the brother of R. S is the daughter of P. U is the sister of Q.

What is the ratio of Males to Females in this family?

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 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?

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 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 Z % X # C @ V & B @ N, then how is Z related to B?

‘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?

A # B means ‘A is the sister of B’.
 A @ B means ‘A is the son of B’.
 A & B means ‘A is the father of B’.
 A % B means ‘A is the mother of B’.
 If W @ Q # T & Y @ M % K, then how is Q related to K?