Each of the questions below, consists of a question and three statements numbered I, II and
III. You have to decide whether the data provided in the statements are sufficient to answer the question. Read the three statements and answer: There are seven persons D, E, F, G, H, I and J in a family having three generation. There are two married couples in the family. Who is the grandfather of J? Statement I: J is the son of E. F is the brother-in-law of G. E is the daughter-in-law of
D. H is not married. Statement II: F is brother of E. F is unmarried. E is not a male. Statement III: H is the sister-in-law of E. G is the brother of H. I is the wife of
D.