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Question

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 R related to T if 'Q ÷ R + P - S ÷ T'?

This question was previously asked in
SSC Selection Post 2024 Question Paper (26-Jun-2024) (Shift-4)
The correct answer is
Father's mother

Decoding the Blood Relation Code

The problem defines a specific code language for family relationships:

  • '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'

We need to find the relationship between R and T based on the expression: Q ÷ R + P - S ÷ T.

Step-by-Step Analysis of the Expression

Let's break down the expression part by part:

  1. Q ÷ R: According to the code, 'A ÷ B' means 'A is the father of B'.
    So, Q ÷ R means Q is the father of R.
    This tells us Q is male. R's gender is not yet determined.
  2. R + P: According to the code, 'A + B' means 'A is the mother of B'.
    So, R + P means R is the mother of P.
    This confirms R is female. P's gender is not yet determined.
    Combining steps 1 and 2: Q is the father of R, and R is the mother of P. Thus, Q is the paternal grandfather of P.
  3. P - S: According to the code, 'A - B' means 'A is the brother of B'.
    So, P - S means P is the brother of S.
    This tells us P is male. S's gender is not yet determined.
    Since R is the mother of P (from step 2), and P is the brother of S, R is also the mother of S.
  4. S ÷ T: According to the code, 'A ÷ B' means 'A is the father of B'.
    So, S ÷ T means S is the father of T.
    This confirms S is male. T's gender is not yet determined.

Determining the Relationship: R to T

Let's consolidate the relationships we've found:

  • From step 2: R is the mother of P and S.
  • From step 4: S is the father of T.

Since R is the mother of S, and S is the father of T, R is the mother of T's father.

The relationship 'mother of one's father' is Father's mother.

Final Conclusion

Based on the step-by-step analysis of the coded expression, R is the Father's mother of T.

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Similar Questions

  1. 'A # B' means 'A is the brother of B'.

    'A @ B' means 'A is the daughter of B'.

    'A & B' means 'A is the husband of B'.

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

    If V & R @ F % H # T @ M, then how is R related to M?

  2. ‘P @ Q’ means ‘P is the mother of Q’

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    If ‘A @ B # C & D @ E # F’, then how is A related to E?

  3. ‘P @ Q’ means ‘P is the father of Q’

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    ‘P # Q’ means ‘P is the wife of Q’

    ‘P × Q’ means ‘P is the husband of Q’

    If ‘A # B @ C × D & E’, then how is A related to E?

  4. ‘A # B’ means ‘A is the brother of B’.

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    If S % D # F @ G & H @ J,

    then how is F related to H?

  5. ‘P @ Q’ means ‘P is the sister of Q’

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    If ‘A # B @ C # D @ E & F’, then how is D related to F?

  6. A # B' means A is the brother of B'.

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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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