Blood Relation – Railway Reasoning part – 2

Total Questions: 50

21. If “X + Y’ means ‘X is the brother of Y’ , ‘X × Y” means ‘X is the father of Y’ , “X / Y’ means ‘X is the mother of Y’ , then which of the following would mean R is the son of S ? [RRB NTPC 31/01/2021 (Evening)]

Correct Answer: 𝑆 × 𝑅 + 𝑇
Solution:

𝑆 × 𝑅 + 𝑇
S is the father of R, R is the brother of T From the above statement, it is clear that R is the son of S.

22. Pointing to a boy in a photograph, Anil said, “ His father’s sister is the only daughter of my father’s father” How is the boy’s father related to Anil ? [RRB NTPC 31/01/2021 (Evening)]

Correct Answer: (a) Father’s Brother
Solution:Hence according to above figure , it is clear that boy’s father is the Father’s Brother of Anil.

23. Based on the above, which option indicates that D is the father-in-law of A? [RRB NTPC 01/02/2021 (Morning)]

'R $ S' means that R is the brother of S.
'R @ S' means R is the wife of S
'R # S' means R is the daughter of S.
'R > S' means R is the father of S

Correct Answer: (c) A @ B $ C # D > E
Solution:

Option (C) indicates that D is the father-in-law of A

24. Based on the above, how is Po related to Ko in the given expression ? [RRB NTPC 01/02/2021 (Evening)]

’Mo > No’ means that Mo is the daughter of No.
‘Mo # No’ means Mo is the father of No.
‘Mo $ No means Mo is the mother of No.
‘Mo / No’ means Mo is the brother of No.
Po $ Qo # Ro / To > Ko

Correct Answer: (d) Husband’s mother
Solution:

Po $ Qo # Ro / To > Ko
From the above diagram, we can see that Po is the mother of husband of Ko.

25. There is a family of five persons A, B, C, D and E. D is the father of B, who is the wife of A. C is the sister of D, and E is the wife of D. How is E related to A ? [RRB NTPC 01/02/2021 (Evening)]

Correct Answer: (d) Mother - in - law
Solution:

From the above diagram, we can see that E is the mother-in-law of A.

26. Among A, B, C, D, E, F and G. A is the mother of B, B is C’s sister’s son. C is the only son of D, D is the maternal grandmother of B and E is the son-in-law of F. If F has only one daughter and is the husband of D, then how is E related to A ? [RRB NTPC 02/02/2021 (Morning)]

Correct Answer: (b) Husband
Solution:

According to above diagram, we can see that E is the husband of A.

27. Avinash is a friend of Harsh. Pointing to an old man, Avinash asked Harsh, “Who is he”? Harsh replied, “His son is my son’s parental uncle”. How is the old man related to Harsh ? [RRB NTPC 03/02/2021 (Morning)]

Correct Answer: (a) Father
Solution:

According to above figure we can see that old man is the father of Harsh.

28. How is Jayant related to that lady ? [RRB NTPC 03/02/2021 (Evening)]

Pointing to a lady Jayant says “She is the sister of Prikshit, who is the brother of Dushyant and the brother of Abha.”Abha is the sister-in-law of Jayant and has only one sister.

Correct Answer: (c) Husband
Solution:

From the above figure it is clear that Jayant is the husband of that lady.

29. Pointing to a lady, Raman said, “The son of her only brother is the brother of my wife”. How is the lady related to Raman ? [RRB NTPC 04/02/2021 (Morning)]

Correct Answer: (b) Wife’s father’s sister
Solution:

Lady is Raman’s Wife’s father’s sister.

30. Shubham said, “I have no brother or sister”. This man in the photograph is the husband of my mother’s daughter - in - law”. Whose photograph is Shubham referring to ? [RRB NTPC 04/02/2021 (Morning)]

Correct Answer: (d) Self
Solution:

In the photograph, Shubham refers to himself.