There is a question below followed by two statements. Read the question carefully and choose which of the statements I and II is/are necessary to answer the question ?
Who is the father of D if A and B are the sons of D ?
I. C is the brother of A and the son of E.

II. F is the mother of D.

Q. Read the following information carefully and answer the questions which follow.
(i) A is the mother of B.
(ii) C is the sister of A.
(iii) D is the father of C.
(iv) B is the son of E.
Which of the following statements are required to establish that E is male?

Q. In each of the following, a question is followed by thre statements marked I, II and III. Decide which of the statements are sufficient to answer the question. Choose your answer from the given alternative.

Q. Directions:- Study the following information carefully to answer the question given below.

(i) In a family of 6 persons, there are two couples.
(ii) The Lawyer is the head of the family and has only two sons - Mukesh and Rakesh - both Teachers.
(iii) Mrs. Reena and her mother-in-law both are Lawyers.
(iv) Mukesh's wife is a Doctor and they have a son, Ajay.

What is the profession of Rakesh's wife?

Q. Directions:- Study the following information carefully to answer the question given below.

(i) In a family of 6 persons, there are two couples.
(ii) The Lawyer is the head of the family and has only two sons - Mukesh and Rakesh - both Teachers.
(iii) Mrs. Reena and her mother-in-law both are Lawyers.
(iv) Mukesh's wife is a Doctor and they have a son, Ajay.

What is/was Ajay's grandfather's occupation?

Q. A and B are children of D. Who is the father of A ? To answer this question which of the statements $\left(1\right)$ and $\left(2\right)$ is necessary ?
1. C is the brother of A and the son of E.
2. F is the mother B.