A family consists of six members P, Q, R, X, Y and Z. Q is the son of R but R is not mother of Q. P and R are a married couple. Y is the brother of R. X is the daughter of P. Z is the brother of P. How many female members are there in the family ?

B. TWO

Pointing to a photograph, a person tells his friend, "She is the grand daughter of the elder brother of my father."
How is the girl in the photograph related to his man ?

A. NIECE

If X is the brother of the son of Y`s son, how is X related to Y ?

D. GRANDSON

A + B means A is the daughter of B ;
A x B means A is the son of B  and
A - B means A is the wife of B.

If Z x T - S x U + P, what is U to Z.

B. GRANDMOTHER

A + B means A is the father of B ;
A - B means A is the wife of B ;
A x B means A is the brother of B ;
A ÷ B means A is the daughter of B.

If P x R + Q, which of the following is true ?

A. P IS THE UNCLE OF Q