Question
The question given below consists of three statements numbered R, II and III given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the statements and answer the question. There are seven persons D, E, F, G, H, I, and J in a family of three generations. No single person in the family is a parent. How is G related to H? Statement I: D is the wife of J, who is the grandfather of F. F is married to G. Statement II: E is the father-in-law of G. I is the brother of H. Statement III: The gender of H and G is same. I is not the son of J.
Case 2: 
From statements I and II together, we cannot answer the above question. From statements I and III together, we get: 
From statements I and III together, we cannot answer the above question. From statements II and III together, we get: 
From statements II and III together, we cannot answer the above question. From statements I, II and III together, we get: 
From statements I, II and III together we get, G is the daughter-in-law of H. Therefore, data given in statements I, II and III together is sufficient to answer the question.More Data Sufficiency Questions
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