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. What is the profession of A ?

B. TEACHER

If A + B means A is the mother of B ;
A / B means A is the brother of B ;
A x B means A is the son of B  and
A - B means A is the daughter of B,
which of the following means C is the niece of D ?

C. C - P / D

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 + Q, which of the following statements is true ?

A. P IS THE MOTHER OF Q

Anil introduces Rohit as the son of the only brother of his father's wife.
How is Rohit related to Anil ?

A. COUSIN

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. Who is the brother-in-law of R ?

B. Z