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
    View Answer
    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
    View Answer
    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
    View Answer
    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’

  1. 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
    View Answer
    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.
  2. 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
    View Answer
    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
  3. 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
    View Answer
    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.
  4. 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
    View Answer
    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.

  1. How is D related to J?
    A) son
    B) father
    C) brother-in-law
    D) uncle
    E) Cannot be determined
    View Answer
    Option D
    Explanation:

    D is brother of A and A is mother of J. So D is uncle of J.
  2. 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
    View Answer
    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.
  3. 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.

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