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Question

M is the son of L. L is the father of D. D is the brother of N. N is the sister of A. A is the daughter of K. K is the mother of Q. N is married to S. S is the father of C. How is L related to C?

This question was previously asked in
RRB NTPC 2024 CBT 1 Question Paper (28-Aug-2025) (Shift 3)
The correct answer is
Mother's father

Family Tree Relationship Breakdown

We need to determine the relationship between L and C based on the given family connections.

  • M is the son of L.
  • L is the father of D.
  • D is the brother of N. This means L is also the father of N. (L → D, L → N)
  • N is the sister of A.
  • A is the daughter of K. Since L is the father of A (as A is N's sibling), K must be the mother of A. Thus, K is the mother of N. (K → A, K → N)
  • N is married to S.
  • S is the father of C. Since N is married to S, N must be the mother of C. (S → C, N → C)

Determining L's Connection to C

From the breakdown, we have established the following key relationships:

  • L is the father of N.
  • N is the mother of C.

Therefore, L is the father of C's mother (N).

The father of one's mother is their maternal grandfather.

Option B states "Mother's father". This accurately describes L's role as the father of C's mother, N.

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Important Questions from Blood Relations

  1. Consider the Question and two Statements given below:

    Question : Is Zbrother of X?

    Statement-1 : X is a brother of Y and Y is a brother of Z.

    Statement-2 : X, Y and Z are siblings.

    Which one of the following is correct in respect of the Question and the Statements?

  2. A family of two generations consisting of six members P, Q, R, S, T and U has three males and three females. There are two married couples and two unmarried siblings. U is P’s daughter and Q is R’s mother-in-law. T is an unmarried male and S is a male. 

    Which one of the following is correct?

  3. A joint family consists of seven members A, B, C, D, E, F and G with three females. G is a widow and sister-in-law of D's father F. B and D are siblings and A is daughter of B. C is cousin of B. 

    Who is E? 

    1. Wife of F 

    2. Grandmother of A 

    3. Aunt of C 

    Select the correct answer using the code given below:

  4. Given that, 

    1) A is the brother of B. 

    2) C is the father of A. 

    3) D is the brother of E. 

    4) E is the daughter of B. Then, the uncle of D is

  5. Read the passage given below and answer the items that follow. 

    A, B, C, D, E, F are members of a family. They are engineer, stenographer, doctor, draughtsman, lawyer and judge (not in order). A, the engineer is married to the lady stenographer. The judge is married to the lawyer. F, the draughtsman is the son of B and brother of E. C, the lawyer is the daughter-in-law of D. E is the unmarried doctor. D is the grandmother of F. There are two married couples in the family. 

    What is the profession of B?

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