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Question

Directions: These questions are based on the following information:

'P@Q' means 'Q is the mother of P'.
'P $ Q' means 'Q is the husband of P'.
'P#Q' means 'Q is the sister of P'.
'P & Q' means 'Q is the son of P'.

If 'A & B @ C & D # E' then how is A related with E?

This question was previously asked in
SSC CGL 2025 Tier 2 Paper 1 Question Paper (19-Jan-2026)
The correct answer is
Father

Symbol Definitions

  • $P@Q$ means Q is the mother of P.
  • $P#Q$ means Q is the sister of P.
  • $P&Q$ means Q is the son of P.

Step-by-Step Analysis

We need to decode the expression $A & B @ C & D # E$.

  1. $A & B$: This means B is the son of A. A is B's parent.
  2. $B @ C$: This means C is the mother of B.
  3. Combining (1) and (2): Since C is the mother of B, and A is B's parent, A must be the father of B.
  4. $C & D$: This means D is the son of C. C is D's parent.
  5. $D # E$: This means E is the sister of D. D and E are siblings.
  6. Combining (4) and (5): Since C is the mother of D, and D and E are siblings, C is also the mother of E.
  7. Conclusion: From (3), A is the father of B. From (2) and (6), C is the mother of B, D, and E. Since A is the father of B (whose mother is C), A is the father of all of C's children, including E.

Final Relationship

A is the father of E.

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Similar Questions

  1. Directions: These questions are based on the following information:

    ‘P @ Q’ means ‘Q is the mother of P’.
    ‘P $ Q’ means ‘Q is the husband of P’.
    ‘P # Q’ means ‘Q is the sister of P’.
    ‘P & Q’ means ‘Q is the son of P’.

    If ‘Z # M $ C & D & E’ then how is E related with M?
  2. A - B means A is the sister of B 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 What is the relation in A × B + C?
  3. Directions: Study the following information carefully to answer the given questions:

     If 'A & B' means 'A is the mother of B'

     If 'A $ B' means 'A is the brother of B'

     If 'A # B' means 'A is the sister of B' 

    If 'A @ B' means 'A is the father of B' 

    If 'A % B' means 'A is the daughter of B'

     If 'A * B' means 'A is the son of B' 

    Which of the following means R is a brother of P?

  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 x B’ means ‘A is the wife of B’;

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

    Based on the above, how is S related to P if ‘P x Q ÷ R – S x A’?

  5. In a certain code language, A + B means ‘A is the son of B’, A − B means ‘A is the wife of B’, A × B means ‘A is the brother of B’ and A ÷ B means ‘A is the mother of B’. Based on the above, how is T related to P if ‘P − M + R ÷ T × S’?

  6. In a certain code language,

    ‘A + B’ means ‘A is the son of B’;

    ‘A # B’ means ‘A is the sister 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 M related to T if ‘M # N @ L × P + T’?

  7. If,

    'C @ S' means 'C is the father of S',

    'C * S' means 'C is the brother of S',

    'C # S' means 'C is the sister of S',

    'C $ S' means 'C is the daughter of S',

    'C = S' means 'C is the mother of S',

    then how is Z related to Q in the following expression?

    Q $ R @ S * T  $ Z

  8. 'P @ Q' means 'P is the wife of Q'.

    'P # Q' means 'P is the brother of Q'.

    'P $ Q' means 'P is the father of Q'.

    'P - Q' means 'P is the daughter of Q'.

    If Z - B $ D $ G, then how is Z related to G?

  9. ‘A + B’ means ‘Ais brother of B’

    ‘A - B’ means ‘A is mother of B’

    ‘A × B’ means ‘A is husband of B’

    ‘A ÷ B’ means ‘A is sister of B’

    If C ÷ B - E + A × F - D, then, which of the following statements is NOT correct? 

  10. 'A + B' means 'A is the sister of B'.

    'A - B' means 'A is the brother of B'.

    'A × B' means 'A is the father of B'.

    'A ÷ B' means 'A is the wife of B'.

    If A + B - C ÷ D × E - F, then which of the following statements is NOT correct?


Important Questions from Coded Blood Relation Problems

  1. ‘R+S’ means ‘R is the daughter of S’. ‘R−S’ means ‘R is the husband of S’.‘R × S’ means ‘R is the brother of S’. If ‘T × V + Z’, then which of the following options is true?

  2. 'P × Q' means 'P is the wife of Q'. 'P + Q' means 'P is the father of Q'. 'P ÷ Q' means 'P is the daughter of Q'. 'P - Q' means 'P is the son of Q'. How is E related to I in the expression 'E ÷ F + G - H ÷ I' ?

  3. 'K % L' means 'K is the brother of L', 'K $ L' means 'K is the husband of L', 'K @ L' means 'K is the sister of L', 'K # L' means 'K is the mother of L'.

    How is H related to M in the expression ‘X @ P % T # M $ Y # J @ H’?

  4. If ‘A % B’ means ‘A is the father of B’, ‘A # B’ means ‘A is the brother of B’, and ‘A $ B’ means ‘A is the wife of B’, then how is K related to R in the given expression?

    K $ H % Y # M # R

  5. If 'A + B' means 'A is the daughter of B ', 'A × B' means 'A is the sister of B', and 'A = B' means 'A is the wife of B', then how is G related to R in the expression 'C × G × U + M = R'?

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