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Question

In a certain code language,
A + B means 'A is the husband of B',
A − B means 'A is the brother of B',
A x B means 'A is the sister of B' and
A ÷ B means 'A is the daughter of B'.

How is C related to J if 'C − E ÷ G + I x J'?

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

Expression Breakdown

  • C - E: C is the brother of E. (This indicates C is male).
  • E ÷ G: E is the daughter of G. (This indicates E is female, and G is her parent).
  • G + I: G is the husband of I. (This establishes G as male and I as female, making G the father and I the mother of E).
  • Since C is the brother of E, C is also the son of G and I.
  • I x J: I is the sister of J. (This means J is a sibling of I).

Determining C's Relation to J

Based on the decoded relationships:

  • C is the son of I.
  • I is the sister of J.
  • Consequently, J is the brother of C's mother (I), making J the maternal uncle of C.
  • The question asks how C is related to J. Since C is the son of J's sister (I), C is J's nephew.
  • Option 1 correctly identifies this relationship as "Sister's son", referring to C being the son of J's sister.
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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 C related to U if ‘C - O @ M # B % U’?
  2. If A+B means A is the husband of B, A/B means A is the sister of B and A*B means A is the son of B. Which of the following shows M is the daughter of N?
  3. If 'X + Y' means 'X is the brother of Y', 'X $\times$ Y' means 'X is the father of Y' and 'X / Y' means 'X is the mother of Y', then which of the following would mean 'R is the son of S'?

  4. Mo > No means that Mo is the daughter of No.  

    Mo # No means Mo is the father of No.

    Mo $ No means Mo is the mother of No. 

    Mo / No means Mo is the brother of No. 

    Based on the above, how is Po related to Ko in the given expression?  

    Po $ Qo # Ro / To > Ko

     

  5. 'R $ S' means that R is the brother of S.
    'R @ S' means R is the wife of S.
    'R # S' means R is the daughter of S.
    'R > S' means R is the father of S.
    Based on the above, which option indicates that D is the father-in-law of A?

  6. If L + M means ‘L is the son of M’, L - M means ‘L is the husband of M’, L × M means ‘L is the brother of M’ and L ÷ M means ‘L is the mother of M’, what does A × B ÷ C mean?
  7. 'A#B' means 'A is the brother of B', 'A^B' means 'A is the daughter of B', 'A*B' means 'A is the aunt of B' and 'A%B' means 'A is the mother of B'. If P*G%U#V^T#Z*V, then how is Z related to G?

  8. In the following relationship chart, $\text{A}\rightarrow\text{B}$ means A is the mother (or any other relationship) of B. Now using the chart, find out how is F related to E.

  9. If A#B means 'A is the brother of B', A^B means 'A is the daughter of B', A*B means 'A is the aunt of B' and A%B means 'A is the mother of B', then, how is Z related to G in S*G%U^Z#X?
  10. If 'A + B' means 'A is the daughter of B', 'A – B' means 'A is the father of B', 'A x B' means 'A is the brother of B' and 'A $\div$ B' means 'A is the wife of B', then 'P + R - Q x S' will mean:

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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