Reasoning: Blood Relations Set 1

Directions (1 – 3):
B is the mother of C who is the sister of G and H only. I is the son of H. D is the father of E. Among the children of A and B, only 1 is unmarried. G is the uncle of E who is the sister of F. C has only 2 children.

1. How is G related to B?
   A) son
   B) daughter
   C) son-in-law
   D) daughter-in-law
   E) Cannot be determined
   
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   Option A
   Explanation:
   G is the uncle so is male. so is son of B
   
2. Who is the unmarried child of A and B?
   A) C
   B) G
   C) H
   D) E
   E) Cannot be determined
   
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   Option B
   Explanation:
   I is son of H and C has 2 children, so G is left. Also A and B have only 3 children because C is sister on only H and G.
   
3. Who is the mother of F?
   A) C
   B) H
   C) B
   D) Cannot be determined
   E) None of these
   
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   Option D
   Explanation:
   E is sister of F, D being their father. But no relation is given between C and D or H and D. C can be F’s mother or H can also be F’s mother because not specified that H has how many children.
   

Directions (4 – 5): Consider the following relationships and answer based on the relationships given below:
‘P % Q’ means ‘P is daughter of Q’
‘P # Q’ means ‘P is wife of Q’
‘P $ Q’ means ‘P is father of Q’
‘P @ Q’ means ‘P is brother of Q’

4. N @ B $ M % D indicates what relationship between N and D?
   A) D is sister of N
   B) D is nephew of N
   C) D is sister in law of N
   D) N is wife of D
   E) None of these
   
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   Option C
   Explanation:
   N is brother of B, B is father of M and M is daughter of D, so L is daughter of B and D, B is father so D is female, and so sister in law of N.
   
5. The expression “M # Q @ D % S” indicates which of the following relationship?
   A) Q is father of S
   B) D is brother-in-law of M
   C) M is sister of S
   D) S is mother-in-law of M
   E) None of above
   
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   Option E
   Explanation:
   M is wife of Q, Q is brother of D, so M is sister-in-law of D
   D is daughter of S, so M must be daughter-in-law of S – but gender of S not known, and D sister-in-law of M
   
6. Looking at a lady in a photograph, Tanya said, “She is my mother’s mother’s daughter”.
   How is the lady related to Tanya?
   A) Aunt
   B) Sister
   C) Sister in law
   D) Daughter
   E) Cannot be determined
   
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   Option E
   Explanation:
   Since it is not specified that mother’s mother have how many daughters, so lady can be mother or aunt of Tanya.
   
7. If ‘P $ Q’ means ‘P is mother of Q’, ‘P # Q’ means ‘P is father of Q’, and ‘P @ Q’ means ‘P is husband of Q’, then in the expression “B @ K $ W # M” what is the relationship of B with M?
   A) Paternal Grandmother
   B) Maternal Grandmother
   C) Paternal Grandfather
   D) Maternal Grandfather
   E) None of these
   
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   Option C
   Explanation:
   B is husband of K, K is mother of W, so W is child of B and K
   W is father of M, so M is grandchild of B and K, B being male here
   

Directions (8 – 10):
P is the brother of Q. C is the daughter of P and also sister of J. A is mother of J. S is father of A. D who is son of T is brother of A. B has only one son and is married to E, mother of P.

8. How is D related to J?
   A) son
   B) father
   C) brother-in-law
   D) uncle
   E) Cannot be determined
   
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   Option D
   Explanation:
   D is brother of A and A is mother of J. So D is uncle of J.
9. If G is married to Q, how is B related to G?
   A) father
   B) father-in-law
   C) son-in-law
   D) uncle
   E) Cannot be determined
   
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   Option B
   Explanation:
   E is mother of P, so B is his father, Q is child of B, so B is father-in-law of someone (here G) who is married to Q.
   
10. If A relates to S in the same way as J relates to P, then how is J related to Q?
    A) daughter
    B) nephew
    C) niece
    D) Cannot be determined
    E) None of these
    
    View Answer

    Option C
    Explanation:
    A is daughter of S. So J is daughter of P hence is niece of Q.