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All questions of Blood Relations for SSC MTS / SSC GD Exam

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How is Meera's mother's mother's daughter-in-law's daughter related to Meera?
  • a)
    Niece
  • b)
    Sister
  • c)
    Sister-in-law
  • d)
    Aunt
Correct answer is option 'B'. Can you explain this answer?

Elite Coaching Classes answered
Meera's mother's mother is Meera's grandmother. Her grandmother's daughter-in-law is Meera's mother. The mother's daughter is Meera's sister. Therefore, Meera's mother's mother's daughter-in-law's daughter is Meera's sister.

Directions to Solve
Each of these questions is based on the following information:
  1. A + B means A is the mother of B.
  2. A - B means A is the sister of B.
  3. A * B means A is the father of B.
  4. A β B means A is the brother of B.
Question -
Which of the following means Q is the grandfather of P?
  • a)
    P + N * M * Q
  • b)
    Q * N * M + P
  • c)
    Q β M β N * P
  • d)
    None of these
Correct answer is option 'D'. Can you explain this answer?

Tarun Unni answered
1. In option A:- P is great grandmother of Q (P is mother of N is father of M is father Q, 3 generations).
2. In option B:- Q is great grandfather P (Q is the father of N is the father of M is mother of P, 3 generations).
3. In option C:- Q is the uncle of P (Q is the brother of M is brother of N is father of P).
So the last option "None of these" is correct.

If P + Q means P is the brother of Q; P x Q means P is the wife of Q and P % Q means P is the daughter of Q then which of the following means D is the uncle of A?
  • a)
    A % B x C + D
  • b)
    A x B + C % D
  • c)
    A + C % B x D
  • d)
    None of these
Correct answer is option 'D'. Can you explain this answer?

Navya Reddy answered
The correct option is Option A.
A % B x C + D means D is an uncle of A.  
A % B means A is the daughter of B;
B x C means B is the wife of C;
C + D means C is the brother of D.
Thus if B and C are parents to A and C is the brother of D then logically D should be an uncle of A.

M is the father of N who is the son of V. In order to know the relation of M to P, which of the statement/statements is/are necessary?
  1. P is the brother of V.
  2. The daughter of N is the granddaughter of V.
  • a)
    Only (1)
  • b)
    Only (2)
  • c)
    Either (1) or (2)
  • d)
    (1) and (2) both
Correct answer is option 'A'. Can you explain this answer?

Abhay Desai answered
M is the father of N and N is the son of V.
Hence, V is the mother of N.
From (1), P is the brother of V
Therefore, M is the brother-in-law of P because V is the wife of M.
From (2), the daughter of N, is the granddaughter of V. From this we do not get any relation of M to P.

  1. A3P means A is the mother of P
  2. A4P means A is the brother of P
  3. A9P means A is the husband of P
  4. A5P means A is the daughter of P
Which of the following means that K is the mother-in-law of M?
  • a)
    M9N3K4J
  • b)
    M9N5K3J
  • c)
    K5J9M3N
  • d)
    K3J9N4M
Correct answer is option 'B'. Can you explain this answer?

Juhi Dasgupta answered
Given Information:
A3P means A is the mother of P
A4P means A is the brother of P
A9P means A is the husband of P
A5P means A is the daughter of P

To find:
Which of the following means that K is the mother-in-law of M?

Analysis:
We need to find a code that represents K as the mother-in-law of M. In order to do that, we need to decode the given codes and determine the relationship between K and M.

Solution:
1. Decode the codes:
- A3P: A is the mother of P
- A4P: A is the brother of P
- A9P: A is the husband of P
- A5P: A is the daughter of P

2. Identify the relationship between K and M:
- From the given codes, we can see that K is represented by A in the codes.
- We need to find a code where K is the mother-in-law of M.
- Since K is represented by A, we need to find a code where A is the mother-in-law of M.

3. Determine the relationship between A and M:
- A3P: A is the mother of P
- A4P: A is the brother of P
- A9P: A is the husband of P
- A5P: A is the daughter of P

From the given codes, we can see that A is the mother of P in A3P. Therefore, A is the mother-in-law of P. But we need to find the relationship between A and M.

4. Decode the options:
- Option a) M9N3K4J: A is the brother of P, so it cannot represent K as the mother-in-law of M.
- Option b) M9N5K3J: A is the daughter of P, so it cannot represent K as the mother-in-law of M.
- Option c) K5J9M3N: This option does not represent any relationship between K and M.
- Option d) K3J9N4M: A is the husband of P, so it represents K as the mother-in-law of M.

Conclusion:
Option d) K3J9N4M means that K is the mother-in-law of M.

B is the brother of C; A is the sister of B; K is the brother of D; D is the daughter of C. Who are the cousins of B?
  • a)
    A and D
  • b)
    K and D
  • c)
    K and C
  • d)
    B and D
Correct answer is option 'B'. Can you explain this answer?

Prasad Majumdar answered
Understanding the Relationships
To determine the cousins of B, let's break down the relationships:
- B is the brother of C: This means B and C are siblings.
- A is the sister of B: A, B, and C are siblings, making A and C also siblings.
- K is the brother of D: K and D are siblings.
- D is the daughter of C: Since C is the parent of D, this means D is B's niece (C's child).
Identifying Cousins
Cousins are typically the children of one's aunts and uncles. Here, we analyze who B's cousins are:
- C's Children: D is a child of C, making D a niece to B.
- K's Relationship: K is the sibling of D, thus K is also a child of C and, therefore, K is B's nephew.
Since cousins are defined as the children of one's aunts and uncles, we look at the relationships:
- K and D: Both are children of C, making them cousins to B.
Conclusion
Thus, the cousins of B are K and D, which corresponds to option 'B'.
Correct Answer
- K and D are the cousins of B, confirming that option 'B' is correct.

Mahesh introduces a girl to his friend and says - this is the daughter of one of my grandfather's sons. So what does this girl related to Mahesh?
    • a)
      mother
    • b)
      sister
    • c)
      wife
    • d)
      Cousin
    Correct answer is option 'B'. Can you explain this answer?

    Elite Coaching Classes answered
    Answer: The girl is Mahesh's sister.
    • "One of my grandfather's sons" refers to Mahesh's father (since Mahesh's father is the son of his grandfather).
    • "The daughter of one of my grandfather's sons" means the girl is the daughter of Mahesh's father, which makes her Mahesh's siste

    If A is the brother of B; B is the sister of C; and C is the father of D, how D is related to A?
    • a)
      Brother
    • b)
      Sister
    • c)
      Nephew
    • d)
      Cannot be determined
    Correct answer is option 'D'. Can you explain this answer?

    Stuti Dasgupta answered
    If D is Male, the answer is Nephew.
    If D is Female, the answer is Niece.
    As the sex of D is not known, hence, the relation between D and A cannot be determined.
    Note: Niece - A daughter of one's brother or sister, or of one's brother-in-law or sister-in-law. Nephew - A son of one's brother or sister, or of one's brother-in-law or sister-in-law.

    If M x N means M is the daughter of N; M + N means M is the father of N; M % N means M is the mother of N and M - N means M is the brother of N then P % Q + R - T x K indicates which relation of P to K?
    • a)
      Daughter-in-law
    • b)
      Sister-in-law
    • c)
      Aunt
    • d)
      None of these
    Correct answer is option 'D'. Can you explain this answer?

    Dhruv Saini answered
    P % Q → P is the mother of Q
    Q + R → Q is the father of R
    R - T → R is the brother of T
    Hence, → Q is the father of T
    T x K → T is the daughter of K
    Hence, → Q is the husband of K.
    Therefore, P is the mother-in-law of K.

    Direction: Study the following information carefully and answer the below questions
    A family consists of seven members and three married couples. T is the paternal uncle of N who is married to S. V is the mother-in-law of S. L has only one kid. S and V are the same genders. K is the paternal grandmother of N. T is the son of M.
    Q. How T related to V?
    • a)
      Sister-in-law
    • b)
      Brother-in-law
    • c)
      Sister
    • d)
      Brother
    • e)
      None of these
    Correct answer is option 'B'. Can you explain this answer?

    Kalyan Mehta answered
    Understanding the Family Relationships
    To decipher how T is related to V, let's break down the information provided:

    Family Composition
    - The family consists of **seven members**.
    - There are **three married couples**.

    Key Relationships
    - **T** is the paternal uncle of **N**.
    - **N** is married to **S**.
    - **V** is the mother-in-law of **S**.
    - **L** has only one kid.
    - **S** and **V** are of the same gender, which implies both are female.
    - **K** is the paternal grandmother of **N**.
    - **T** is the son of **M**.

    Analyzing the Relationships
    1. Since **T** is the uncle of **N**, he must be the brother of **N's parent** (either the father or mother).
    2. **S**, being married to **N**, makes **V** the mother of **N** (and hence the mother-in-law of **S**), indicating **V** is married to **N's father**.
    3. Given that **T** is the brother of **N's parent**, he is the **brother-in-law** of **V**.

    Conclusion
    Since **T** is the brother of **V's husband**, he is best described as **V's brother-in-law**. Therefore, the correct answer is option **'B'**.

    Direction: Study the following information carefully and answer the questions given below.
    A family consists of eight members – G, K, L, O, T, U, V and X and three married couples. X is the father-in-law of G who is the father of U. O is the only daughter of T who is the mother of V. T is the spouse of X. Both U and X are of the opposite gender. K is the mother-in-law of O. L is the paternal grandfather of U.
    Q. Who among the following person is the mother of U?
    • a)
      V
    • b)
      O
    • c)
      L
    • d)
      K
    • e)
      None of the above
    Correct answer is option 'B'. Can you explain this answer?

    Madhavi chauhan answered
    Family Structure Explanation
    To determine who the mother of U is, let’s break down the relationships based on the information provided.
    1. Understanding the Relationships
    - X is the father-in-law of G: This implies that G is married to X's child.
    - G is the father of U: Therefore, G is male since he is referred to as the father.
    - O is the only daughter of T: This indicates that T is O's mother.
    - T is the spouse of X: Hence, T is G's mother as well because G and O are married to X's children.
    - K is the mother-in-law of O: Since O is the daughter of T, K must be T's mother.
    - L is the paternal grandfather of U: This indicates that L is G's father.
    2. Constructing the Family Tree
    - From the above information, we can summarize:
    - X (father-in-law) + T (mother) = G (son) and O (daughter)
    - G (father) + O (mother) = U (child)
    - Therefore, G is married to O.
    3. Identifying the Mother of U
    - Since we established that O is married to G and they have a child named U, it follows that:
    - O is the mother of U.
    Conclusion
    Thus, the answer to the question "Who among the following person is the mother of U?" is:
    Option B: O

    Direction: Study the following information carefully and answer the questions given below.
    Eight persons are from the same family with three generations. The number of males is two more than the number of females. W is the brother of T, who is the daughter-in-law of U. F is the brother-in-law of W and father of D. U is the father of F and has only one child. P is the grandmother of O, who is not a female. K is the father of T whereas P is not the mother-in-law of T, who has two children.
    Q. If U and P are siblings, then how is U related to K?
    • a)
      Brother-in-law
    • b)
      Sister-in-law
    • c)
      Uncle
    • d)
      Aunty
    • e)
      None of these
    Correct answer is option 'A'. Can you explain this answer?

    Madhavi bhatia answered
    Understanding the Family Structure
    To decipher the relationship between U and K, we need to analyze the family tree based on the given information.
    Key Relationships
    - W and T: W is the brother of T. Hence, W and T are siblings.
    - T's Marriage: T is the daughter-in-law of U, indicating that T is married to U's child.
    - F's Role: F is the brother-in-law of W and the father of D. Since W is T's brother, F must be married to W's sister (T).
    - U's Children: U is the father of F and has only one child. This implies that U's only child is F.
    - P's Relation: P is the grandmother of O. Since O is not female, P must be the mother of either W or T.
    - K's Role: K is the father of T, meaning K is married to T's mother, making P K's mother-in-law.
    Analyzing U's Relation to K
    Given that U and P are siblings, we can establish the following:
    - U's Child: U has one child, which is F.
    - F's Marriage: F is married to W's sister (T), making F's wife T's sibling.
    - K's Parentage: Since P is K's mother-in-law, K is married into the family, making U K's brother-in-law.
    Conclusion
    Thus, the relationship between U and K is that U is K's brother-in-law based on the family connections established.
    Therefore, the correct answer is option 'A': Brother-in-law.

    If A $ B means A is the brother of B; A @ B means A is the wife of B; A # B means A is the daughter of B and A * B means A is the father of B, which of the following indicates that U is the father-in-law of P?
    • a)
      P @ Q $ T # U * W
    • b)
      P @ W $ Q * T # U
    • c)
      P @ Q $ W * T # U
    • d)
      P @ Q $ T # W * U
    Correct answer is option 'A'. Can you explain this answer?

    Sagar Sharma answered
    Understanding the Symbols
    - A $ B: A is the brother of B
    - A @ B: A is the wife of B
    - A # B: A is the daughter of B
    - A * B: A is the father of B
    Analyzing Option A
    The expression in option A is:
    P @ Q $ T # U * W
    Let's break it down step by step:
    1. P @ Q: P is the wife of Q.
    2. Q $ T: Since Q is the husband of P and P is the wife, Q must be the brother of T.
    3. T # U: T is the daughter of U.
    4. U * W: U is the father of W.
    From this breakdown, we can infer the relationships:
    - P (Wife of Q)
    - Q (Brother of T)
    - T (Daughter of U)
    - U (Father of W)
    Thus, since P is married to Q, and Q is the brother of T, it follows that U is the father-in-law of P.
    Conclusion
    The relationships outlined in option A clearly establish that U is indeed the father-in-law of P. This makes option A the correct choice to indicate the relationship required in the question.

    Pointing to a lady a person said, "The son of her only brother is the brother of my wife." How is the lady related to the person?
    • a)
      Maternal aunt
    • b)
      Grandmother
    • c)
      Sister of father-in-law
    • d)
      None of these
    Correct answer is option 'C'. Can you explain this answer?

    Arnav Choudhury answered
    Brother of person's wife → brother-in-law of the person. Hence, the son of lady's brother is brother-in-law of the person.
    Therefore, the brother of the lady is the father-in-law of the person. Hence, the lady is the sister of the person's father-in-law.

    Pointing to a boy in the photograph Reena said, "He is the only son of the only child of my grandfather." How Reena is related to that boy?
    • a)
      Mother
    • b)
      Sister
    • c)
      Aunt
    • d)
      Cannot be determined
    Correct answer is option 'B'. Can you explain this answer?

    Ayush Rane answered
    The boy in the photograph is the only son of Reena's grandfather's only son; i.e., the boy is the only son of Reena's father.
    Hence, the boy is the brother of Reena or Reena is the sister of the boy.

    Pointing to a photograph Ram says, "She is the daughter of the only son of my grandfather." How is the woman in the photograph related to Ram?
    • a)
      Sister
    • b)
      Uncle
    • c)
      Cousin
    • d)
      Data is inadequate
    Correct answer is option 'A'. Can you explain this answer?

    Iq Funda answered
    • Ram says, "She is the daughter of the only son of my grandfather."
    • "Only son of my grandfather" refers to Ram's father (since he is the only son of Ram's grandfather).
    • "Daughter of Ram's father" means the woman in the photograph is Ram's sister.
    Therefore, the woman in the photograph is Ram's sister, and Ram is describing his sister.
    The correct answer is: a) Sister.

    A and B are children of D. Who is the father of A? To answer this question which of the statements (1) and (2) is necessary?
    1. C is the brother of A and the son of E.
    2. F is the mother B.
    • a)
      Only (1)
    • b)
      Only (2)
    • c)
      Either (1) or (2)
    • d)
      (1) and (2) both
    Correct answer is option 'B'. Can you explain this answer?

    Debanshi Saha answered
    A and B are children of D.
    From (1), C is the brother B and son of E.
    Since, the sex of D and E are not known. Hence (1) is not sufficient to answer the question.
    From (2). F is the mother of B. Hence, F is also the mother of A. Hence D is the father of A.
    Thus, (2) is sufficient to answer the question.

    Chapter doubts & questions for Blood Relations - General Intelligence and Reasoning for Competitive Exams 2025 is part of SSC MTS / SSC GD exam preparation. The chapters have been prepared according to the SSC MTS / SSC GD exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for SSC MTS / SSC GD 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.

    Chapter doubts & questions of Blood Relations - General Intelligence and Reasoning for Competitive Exams in English & Hindi are available as part of SSC MTS / SSC GD exam. Download more important topics, notes, lectures and mock test series for SSC MTS / SSC GD Exam by signing up for free.

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