In the following question, a given question is followed by information in three statements. You have to decide the data in which statement(s) is/are sufficient to answer the question and mark your answer accordingly. There are eight persons in the family – Ajay, Aman, Dhruv, Dipali, Kanchan, Manan, Nandini and Urvi. What is the relation between Dipali and Ajay? I. Kanchan is wife of Manan and she has one daughter whose name is Dipali. II. Nandini is the grandmother of Ajay who is the son of Aman. III. Dhruv and Urvi are father and mother respectively of Manan who is the brother-in-law of Aman. Correct Answer All the statements are required Using the following notations, we can draw the family tree, [ alt="RRB OA MFT8 RRBOA 18 Aug 2018 40Q images Q38" src="//storage.googleapis.com/tb-img/production/18/09/RRB_OA_MFT8_RRBOA_18_Aug_2018_40Q_images_Q38.PNG"> From statement I and II, [ alt="RRB OA MFT8 RRBOA 18 Aug 2018 40Q images Q38a" src="//storage.googleapis.com/tb-img/production/18/09/RRB_OA_MFT8_RRBOA_18_Aug_2018_40Q_images_Q38a.PNG" style="height:149px; width:334px"> The relation between Dipali and Ajay is not given. Therefore, Statement I and II together are not sufficient to answer the question. From statement II and III, [ alt="RRB OA MFT8 RRBOA 18 Aug 2018 40Q images Q38b" src="//storage.googleapis.com/tb-img/production/18/09/RRB_OA_MFT8_RRBOA_18_Aug_2018_40Q_images_Q38b.PNG" style="height:169px; width:324px"> The relation between Dipali and Ajay is not given. Therefore, Statement II and III together are not sufficient to answer the question. From statement I and III, [ alt="RRB OA MFT8 RRBOA 18 Aug 2018 40Q images Q38c" src="//storage.googleapis.com/tb-img/production/18/09/RRB_OA_MFT8_RRBOA_18_Aug_2018_40Q_images_Q38c.PNG" style="height:157px; width:319px"> The relation between Dipali and Ajay is not given. Therefore, Statement I and III together are not sufficient to answer the question. Combining all the statements, [ alt="RRB OA MFT8 RRBOA 18 Aug 2018 40Q images Q38d" src="//storage.googleapis.com/tb-img/production/18/09/RRB_OA_MFT8_RRBOA_18_Aug_2018_40Q_images_Q38d.PNG"> Clearly Dipali and Ajay are cousins. Hence, all the statements are required.