Blood Relation ...

′A Δ B′ means 'A is the brother of B'; 'A * B' means 'A is the son of B'; 'A @ B' means 'B is the mother of A'; 'A % B' means 'A is the sister of B'; 'A = B' means 'B is the father of A'. Which of the following is correct?

′A Δ B′ means 'A is the brother of B'; 'A * B' means 'A is the son of B'; 'A @ B' means 'B is the mother of A'; 'A % B' means 'A is the sister of B'; 'A = B' means 'B is the father of A'. Which of the following is incorrect?

′A Δ B′ means 'A is the brother of B'; 'A * B' means 'A is the son of B'; 'A @ B' means 'B is the mother of A'; 'A % B' means 'A is the sister of B'; 'A = B' means 'B is the father of A'. Which one of the following indicates ′t₄ is the maternal uncle of t₁′?

Pointing towards a photograph, Mohit said, 'His sister is the mother of Vinay, the son of my brother'. How is Mohit related to Vinay?

Pointing to a woman in a photograph, a man says, "She is the mother of the father of my wife's only son". How is the woman in the photograph related to the man?         (SOF NCO 2016)

Kalyani is mother-in-law of Veena who is sister-in-law of Ashok. Dheeraj is father of Sudeep, the only brother of Ashok. How is Kalyani related to Ashok?   (SOF IMO 2016)

Pointing to a lady, Rohan said, "She is the daughter of the woman who is the mother of the husband of my mother". How is the lady related to Rohan?   (SOF NCO 2017)

Read the following information carefully and answer the question that follows.   (SOF NSO 2017)
(i) P *Q means P is the father of Q. (ii) P ÷ Q means P is the sister of Q.  (iii) P $ Q means P is the brother of Q. (iv) P # Q means P is the wife of Q. How is A related to B in "A - C $ D # B"?

If 'P @ Q' means 'P is brother of Q', 'P + Q' means 'P is wife of Q', 'P # Q' means 'P is daughter of Q? and ′P − Q means 'P is father of Q', then which of the following expressions indicates that 'D is father-in-law of A'? (SOF IMO 2017)

Read the following information carefully to answer the question. Mr and Mrs Oberoi has three children Sakshi, Rashmi and Vishesh. Vishesh has married to Shikha who is daughter of Mr Sharma who is married to Rashi. Sonu and Rocky are the children of Tarun and Rashi. Neha and Sidhi are daughters of Vishesh and Shikha. What is the relation of Sakshi to Neha?      (SOF IMO 2017)