What is the purpose of encryption in

Answer the questions based on the information given below.

A ÷ B means ‘A is the mother of B’

A × B means A is the husband of B

Answer the following question based on the direction given below.

If 'A#B' means 'A is father of B'

'A % B' means 'A is the father of B'.

'A @ B' means 'A is the spouse of B'.

'A $ B' means 'A is the mother-in-law of B'.

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’

If U&V$Y@W%Z is true then how is U related to Z?

If J & I @ H + G is true then, how is G related to J?

If the expression ‘S&R @ Q * P, S % T * U and V # U’ are true, then how is V’s only niece related to the person married to P?

'A@B' means 'A is the father of B'. 'A#B' means 'A is the sister of B'. 'A$B' means 'A is the brother of B'. 'A%B' means 'A is the wife of B'.

If the expression ‘U & Z # Y * W & V’ is true, then how is Z’s son related to father in law of only sister in law of Y?