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Question

In a certain code language,

'A # B' means ‘A is the daughter of B’,
'A @ B' means ‘A is the brother of B’,
'A + B' means ‘A is the wife of B’ and
'A - B' means ‘A is the father of B’.

Based on the above, how is D related to R if ‘D # M + S @ P - R’?

This question was previously asked in
RRB ALP 2025 CBT 2 Wiremen Question Paper (28-Jul-2026) (Shift 2)
The correct answer is
Father's brother's daughter

Blood Relation Decoding

This problem requires decoding a series of relationships presented in a specific code language to determine how one individual is related to another.

Understanding the Codes

  • \(A # B\) means A is the daughter of B.
  • \(A @ B\) means A is the brother of B.
  • \(A + B\) means A is the wife of B.
  • \(A - B\) means A is the father of B.

Analyzing the Expression: \(D # M + S @ P - R\)

We break down the given coded expression step-by-step:

  1. \(P - R\) implies P is the father of R. (P is male)
  2. \(S @ P\) implies S is the brother of P. (S is male)
  3. \(M + S\) implies M is the wife of S. (M is female)
  4. \(D # M\) implies D is the daughter of M. (D is female)

Tracing D's Relationship to R

Now, let's establish the connection from D to R:

  • D is the daughter of M.
  • Since M is the wife of S, D is also the daughter of S.
  • S is the brother of P.
  • P is the father of R.
  • Because S and P are brothers, S is the paternal uncle of R (R's father's brother).
  • D is the daughter of S, who is R's paternal uncle.
  • Therefore, D is the daughter of R's father's brother.

This relationship corresponds to the definition of a Father's brother's daughter.

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Similar Questions

  1. Ina certain code language, 
    ‘A+B’ means ‘A is the mother of B’, 
    'A - B' means ‘A is the brother of B’, 
    'A x B’ means ‘A is the wife of B’ and 
    '\(A\div B\)' means ‘A is the father of B'. 
    How is M related to T if ‘M+N x P- \(S\div T\)'?

  2. In a certain code language,

    A + B means ‘A is the mother of B’,

    A – B means ‘A is the brother of B’,

    A × B means ‘A is the wife of B’,

    A ÷ B means ‘A is the father of B’,

    and A # B means ‘A is the daughter of B’.

    How is K related to Q if ‘P × Q ÷ T + Z – S # K’?

  3. In a certain code language,

    A + B means ‘A is the mother of B’,

    A – B means ‘A is the brother of B’,

    A × B means ‘A is the wife of B’ and

    A ÷ B means ‘A is the father of B’.

    Based on the above, how is Q related to T if ‘P + Q – R × S ÷ T’?

  4. In a certain code language,

    A + B means ‘A is the mother of B’,

    A – B means ‘A is the brother of B’,

    A × B means ‘A is the wife of B’ and

    A ÷ B means ‘A is the father of B’.

    Based on the above, how is Q related to T if ‘P – Q × R ÷ S + T’?

  5. In a certain code language,
    A + B means 'A is the mother of B',
    A – B means 'A is the brother of B',
    A × B means 'A is the wife of B',
    A ÷ B means 'A is the father of B',
    and A # B means 'A is the daughter of B'.

    How is Q related to J if 'Q + R – P × S ÷ T – J + K'?

  6. In a certain code language, 'A × B' means 'A is the son of B', 'A - B' means 'A is the brother of B', 'A + B' means 'A is the wife of B' and 'A % B' means 'A is the father of B'. How is M related to T if 'M × N - P % S + T'?
  7. If G + H means G is daughter of H, G- H means G is sister H and G * H means G is husband of H, which of the following shows that I is the daughter of H?

  8. If A \(B means A is the husband of B, A # B means A is the brother of B and A * B means A is the mother of B, then what does P\) Q * R # S mean?

  9. If A \(B means A is the sister of B, A # B means A is the husband of B and A * B means A is the daughter of B, then what does P\) Q * R # S mean?

  10. If E % F means E is the brother of F, E & F means E is the sister of F  and  E  \( F  means  E   is   the   daughter  of  F,  then  what  does  P%  Q  &  R  \)  S  mean?


Important Questions from Coded Blood Relation Problems

  1. If A @ B means A is the son of B, A # B means A is the husband of B and A * B means A is the daughter of B, then what does P @ Q * R # S mean? 

  2. If P $ Q means P is the husband of Q; P ! Q means P is the mother Q and P * Q means P is the daughter of Q, which of the following shows that Z is brother of W's wife, if Z is male?

  3. If P $ Q means P is the brother of Q; P ! Q means P is the mother Q and P * Q means P is the son of Q, which of the following shows that W is brother of Z?

  4. Read the following information carefully and answer the question given below:

    M * N means ‘ M is the sister of N’

    M % N means ‘ M is the father of N’

    M # N means ‘M is the mother of N’

    Which of the following option gives that, M is father of R?

  5. If ‘A + B’ means ‘A is the mother of B’, ‘A - B’ means ‘A is the father of B’, ‘A × B’ means ‘A is the brother of B’, ‘A & B’ means ‘A is the son of B’, then how is M related to K in the expression ‘N − M + T × L & G & K’?

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