Pointing to a photograph, Vipul said, "She is the daughter of my grandfather's only son." How is Vipul related to the girl in the photograph ?

B. BROTHER

A girl introduced a boy as the son of the daughter of the father of her uncle. The boy is girl`s

A. BROTHER

A and B are brothers. C and D are sisters. A's son is D's brother.
How is B related to  C ?

D. UNCLE

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 ÷ R + S + Q, which of the following is true ?

C. P IS THE AUNT OF Q

Salesman, Engineer and Accountant. There are two married couples in the family. D, the Salesman is married to the Lady Teacher. The Doctor is married to the Lawyer. F, the Accountant is the son of B and brother of E. C, the Lawyer is the daughter-in-law of A. E is the unmarried Engineer. A is the grandmother of F. Which of the following is one of the couples ?

E. NONE OF THESE