Question
How is R related to O? I. O is wife of E. O and K
are the only children of T. I is the only daughter of E. R is the grand-daughter of T. II. I is married to N. O is the mother-in-law of N. O is the only daughter of T and C. R is the grand child of T. Each of the questions given below has one question and two statements marked I and II. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer.Solution
 Therefore, R is the niece of O. Statement II is not sufficient to answer the question as we don’t know exact information about R. 
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