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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 Mechanic Motor Vehicle Question Paper (28-Jul-2026) (Shift 1)
The correct answer is
Wife's brother

Decoding Family Relationships

We need to decipher the relationship between D and R based on the provided 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 Code Expression: \(D @ M # S - P + R\)

Let's break down the expression step-by-step:

  1. \(D @ M\): This means D is the brother of M.
  2. \(M # S\): This means M is the daughter of S. Since D is M's brother, D is also a child of S.
  3. \(S - P\): This means S is the father of P. Since M is S's daughter and D is M's brother, both D and M are children of S. Thus, S is the father of D, M, and P.
  4. \(P + R\): This means P is the wife of R.

Determining D's Relation to R

From the steps above:

  • S is the father of D.
  • S is also the father of P.
  • Therefore, D and P are siblings (children of S).
  • We know P is the wife of R.
  • Since D is the brother of P, and P is the wife of R, D is the brother of R's wife.

This relationship is commonly known as 'Wife's brother'.

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Similar Questions

  1. 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’. How is Shreya related to Mahak if ‘Shreya + Dev − Taran × Harshit % Mahak’?

  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’ and
    A % B means ‘A is the father of B’.
    How is Satish related to Mayank if ‘Satish + Deep × Piyush – Hitesh % Mayank’?

  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’.
    How is M related to K if ‘J × K − L ÷ M + N’?
  4. If C% D means C is the mother of D, C $ D means C is the wife of D, and if C & D means C is the son-in-law of D, then what does W % X $ Y & Z mean?

  5. If G + H means G is the sister of H; G – H means G is the daughter H and G * H means G is wife of H, which of the following shows that Q is the father of P?

  6. If A $ B means A is the sister of B, A # B means A is the mother of B and if A × B means A is the father of B, then what does P × Q $ R # S mean?

  7. If C $ D means C is the husband of D, C & D means C is the mother of D and C % D means C is the son of D, then what does X % Z $ W & Y mean if W has only one son?
  8. If C% D means C is the wife of D; C & D means C is the father of D; and If C $ D means C is the daughter of D, then what would X $ Y % W & Z mean if W has only one daughter?

  9. If I + J means I is the father of J; I – J means I is the son-in-law of J; and I * J means I is the wife of J, then which of the following shows that F is the brother of C, considering that C has only one sibling?

  10. 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?


Important Questions from Coded Blood Relation Problems

  1. ‘A # B’ means ‘A is the son of B’.

    ‘A @ B’ means ‘A is the mother of B’.

    ‘A & B’ means ‘A is the wife of B’.

    ‘A % B’ means ‘A is the sister of B’.

    If ‘M @ R % K # G # N & T’, then which of the following statements is NOT correct?

  2. ‘A % B’ means ‘A is the sister of B’.

    ‘A $ B’ means ‘A is the brother of B’.

    ‘A @ B’ means ‘A is the son of B’.

    ‘A & B’ means ‘A is the mother of B’.

    If ‘R % T & Z $ S @ V @ C % Y’, then which of the following statements is NOT correct?

  3. Read the given information carefully and answer the question that follows.

    ‘K $ D’ means ‘K is the father of D’.

    ‘K < D’ means ‘K is the wife of D’.

    ‘K > D’ means ‘K is the daughter of D’.

    'K @ D’ means ‘K is the son of D’.

    How is S related to N in the expression ‘H > R $ S @ T > N’?

  4. ‘R8S’ means ‘R is the father of S’.

    ‘R7S’ means ‘R is the sister of S’.

    ‘R6S’ means ‘R is the brother of S’.

    ‘R2S’ means ‘R is the wife of S’.

    Which of the following expressions represents ‘X is the mother of Y’?

  5. ‘A # B’ means ‘A is the father of B’.

    ‘A % B’ means ‘A is the mother of B’.

    ‘A @ B’ means ‘A is the sister of B’.

    ‘A & B’ means ‘A is the son of B’.

    If ‘G # M # T % S @ H & R & W @ U’, then which of the following statements is NOT correct?

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