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Question

‘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?

The correct answer is

T is the daughter of C.

Understanding the Blood Relations Puzzle

This question requires us to decode a series of relationships given in a coded form and then analyze statements based on the derived family structure. We are given symbols that represent specific relationships: percent (%), dollar ($), at (@), and ampersand (&).

Decoding the Relationship Symbols

Let's first understand what each symbol signifies:

  • 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

Analyzing the Coded Expression

The given expression is R % T & Z $ S @ V @ C % Y. We will break this down part by part to understand the connections:

  • R % T: R is the sister of T. (R is female, R and T are siblings)
  • T & Z: T is the mother of Z. (T is female, T is parent of Z)
  • Z $ S: Z is the brother of S. (Z is male, Z and S are siblings)
  • S @ V: S is the son of V. (S is male, V is parent of S)
  • V @ C: V is the son of C. (V is male, C is parent of V)
  • C % Y: C is the sister of Y. (C is female, C and Y are siblings)

Constructing the Family Tree

Now, let's combine these relationships to build a family structure:

  1. From T & Z, T is the mother of Z.
  2. From Z $ S, Z is the brother of S. So Z and S are siblings.
  3. From S @ V, S is the son of V.
  4. Since Z and S are siblings and S is the son of V, Z must also be the son of V.
  5. We know T is the mother of Z and S, and V is the father of Z and S. This means T and V are married. T is female (from T & Z implies T is mother, which is female), and V is male (from S @ V implies V is father if T is mother).
  6. From V @ C, V is the son of C. Since V is male, C is a parent of V.
  7. From C % Y, C is the sister of Y. This means C is female.

Putting it together, we have:

  • C is the mother of V (since C is female and V is her son).
  • V is the father of Z and S.
  • T is the mother of Z and S.
  • T and V are married.
  • R is the sister of T.
  • C is the sister of Y.

Let's visualize the generations:

  • Generation 1 (Oldest): C (Female), Y (Sibling of C, gender unknown)
  • Generation 2: V (Male, Son of C), T (Female, Married to V), R (Female, Sister of T)
  • Generation 3 (Youngest): Z (Male, Son of T and V), S (Male, Son of T and V)
Person Gender Relationship to others in tree
C Female (-) Mother of V, Sister of Y
Y Unknown (?) Sibling of C
V Male (+) Son of C, Husband of T, Father of Z and S
T Female (-) Wife of V, Mother of Z and S, Sister of R
R Female (-) Sister of T, Aunt of Z and S
Z Male (+) Son of T and V, Brother of S
S Male (+) Son of T and V, Brother of Z

Evaluating the Statements

Now we check each given statement against our derived family tree:

  1. C is the paternal grandmother of Z.
    • Z's father is V.
    • V's mother is C.
    • So, C is the mother of Z's father. This is the definition of a paternal grandmother.
    • This statement is CORRECT.
  2. T is the mother of S.
    • We derived from T & Z and Z $ S and S @ V that T and V are parents of Z and S. T is the mother.
    • This statement is CORRECT.
  3. T is the daughter of C.
    • T is married to V.
    • V is the son of C.
    • Therefore, T is the wife of the son of C. T is the daughter-in-law of C.
    • T is NOT the daughter of C.
    • This statement is NOT CORRECT.
  4. V is the father of Z.
    • We derived that V is the father of Z and S.
    • This statement is CORRECT.

Conclusion

We were asked to identify the statement that is NOT correct. Our analysis shows that the statement "T is the daughter of C" is incorrect, as T is the daughter-in-law of C.

Revision Table: Relationships Derived

Relationship Status (Correct/Incorrect) Reasoning
C is the paternal grandmother of Z. Correct V (Z's father) is C's son.
T is the mother of S. Correct Derived directly and confirmed by T&Z and S@V.
T is the daughter of C. Incorrect T is married to V, C's son. T is C's daughter-in-law.
V is the father of Z. Correct Derived directly and confirmed by S@V and Z$S.

Additional Information: Solving Blood Relations Questions

Blood relations questions test your ability to understand and deduce familial connections based on given information. Here are some tips for solving them effectively:

  • Decode Symbols/Language: Carefully note down what each symbol or phrase means in terms of relationship (e.g., A % B means A is sister of B).
  • Break Down the Expression: If a long coded expression is given, break it into smaller, manageable parts.
  • Draw a Family Tree: Visual representation is key. Use symbols for gender (e.g., + for male, - for female, ? for unknown) and lines to indicate relationships (e.g., horizontal for siblings/spouses, vertical for parent-child).
    • Siblings: A <-> B
    • Spouses: A <--> B
    • Parent-Child: Parent --> Child (downward arrow)
  • Determine Genders: Pay close attention to information that reveals gender (like "sister", "brother", "mother", "son"). Sometimes gender might not be explicitly stated for every person.
  • Work Step-by-Step: Build the tree or list the relationships gradually from the given information.
  • Evaluate Statements: Once the family structure is clear, carefully check each statement against your diagram or list of relationships.
  • Common Pitfalls: Be careful with assuming relationships or genders that are not explicitly given or cannot be deduced. Also, distinguish between paternal and maternal relationships.
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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. 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’?

  3. ‘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’?

  4. ‘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?

  5. ‘A +B’ means ‘A is the sister of B’

    ‘A - B’ means ‘A is the daughter of B’

    ‘A × B’ means ‘A is the brother of B’

    ‘A B’ means ‘A is the husband of B’

    IfV + U × Q – T + R + P × S, then how is P related to V?
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