Blood Relation – Railway Reasoning part – 1

Total Questions: 50

1. In the following expression, select the option that can replace the question mark (?) to establish that ‘C is the child of L’. [ NTPC CBT II Level 6 (09/05/2022) Shift 2]

Correct Answer: (d) Either ‘①’ or ‘⑤’
Solution:

U ④ L ② G ④ M ① O ? C
Either or ① or  ⑤

2. A is the sister of B and C. D is the father of C. E is the mother of A. [NTPC CBT II Level 2 (13/06/2022) Shift 2 ]

Considering these facts, which of the following statements CANNOT be verified ?

Correct Answer: (c) B is E’s son.
Solution:

3. Then which of the following means that ‘A is E’s daughter’s son’ ? [NTPC CBT II Level 5 (15/06/2022) Shift 2]

If ‘P + Q’ means ‘P is the father of Q’,
‘P – Q’ means ‘P is the mother of Q’,
‘P / Q’ means ‘P is the sister of Q’,
‘P ∪ Q’ means ‘P is the son of Q’,
‘P ∩ Q’ means ‘P is the daughter of Q’,

Correct Answer: (d) A ∪ B / C / D ∪ E
Solution:

According to option (d),

4. Guava is the only brother of Grape’s father. Mango is the mother of Apple. Apple is the brother of Kiwi. The wife of Apple’s maternal grandfather is also the paternal grandmother of Grape. How is Mango related to Guava ? [NTPC CBT II Level 5 (15/06/2022) Shift 3]

Correct Answer: (d) Sister
Solution: We can clearly see in the above relation diagram that Mango is sister of Guava.

5. then, which of the following is definitely true about ‘C @ A # B & D’ ? [NTPC CBT II Level 2 (16/06/2022) Shift 1]

If ‘ A # B’ means A is the father of B,
‘A & B’ means A is the brother of B,
‘A @ B’ means A is the mother of B,

Correct Answer: (a) C is paternal grandmother of B and D
Solution:We can clearly see in the above diagram that C is paternal grandmother of B and D.

6. Read the following information and answer the question that follows. [NTPC CBT - I 28/12/2020 (Evening)]

(i) I, J, K, L, M and N are playing hockey.
(ii) I and M are sisters and N is the brother of M
(iii) K is the only son of I’s paternal Uncle.
(iv) J and L are the sons of a brother of K’s father.
How is K related to M ?

Correct Answer: (a) Cousin
Solution: Clearly , from the above family chart , K is a cousin of M.

7. S is a female member of a family and has three children. M is the son of S. M is the maternal uncle of two girls who are not sisters, but whose mothers are siblings. Based on the information provided, which of the following statements is most likely to be true ? [NTPC CBT - I 16/01/2021 (Evening)]

Correct Answer: (b) S has one son, two daughters.
Solution:According to the above figure we can say that S has one son and two daughters.

8. Among A, B, C, D, E, F, G and H, H is the father of G. G is the only brother of F. F is the only sister-in-law of E. E is the mother of D. D is the brother of C and B is the father of H and husband of A. If F is unmarried, then how is C related to A ? [NTPC CBT - I 02/02/2021 (Morning)]

Correct Answer: (d) Son’s Son’s Son
Solution:Here we can not decide whether C is male or female . but according to the option , consider C as male. C is the son of A's son's son.

9. If ‘A B’ means ‘A is the mother (or → any other relationship) of B’, then using the given relationship chart, select the option that correctly depicts the meaning of ‘Rohan Rishi’. [NTPC CBT - I 05/03/2021 (Morning)]

Correct Answer: (a) Rohan is the son of Rishi.
Solution:From the above diagram, we can see that Rohan is the son of Rishi.

10. In the following relationship chart, A → B means A is the mother (or any other relationship) of B. Now using the chart, select the option that can replace the question mark (?) in it, if all the mentioned individuals, 1,2,3 and 4 are males. [NTPC CBT - I 11/03/2021 (Morning)]

Correct Answer: (d) Father
Solution:Here, gender of “4” is not given but going through options we get that “4” is the father of “3”.