‘A + B’ means ‘A is the sister of B’; ‘A = B’ means ‘A is the daughter of B’. If ‘G + T + U = D’, then how is G related to D?
Daughter
Understanding the Blood Relation Puzzle
This question involves decoding relationships based on given codes. We are provided with two rules that define relationships between two individuals, represented by letters and symbols.
The given codes are:
- ‘A + B’ means ‘A is the sister of B’. This tells us that the person before the '+' symbol is female.
- ‘A = B’ means ‘A is the daughter of B’. This also tells us that the person before the '=' symbol is female, and the person after is the parent.
Solving the Blood Relation Expression: G + T + U = D
We need to break down the given expression step by step to determine the relationship between G and D.
The expression is: G + T + U = D
Let's analyze each part of the expression sequentially:
-
G + T: According to the first rule (‘A + B’ means ‘A is the sister of B’), ‘G + T’ means G is the sister of T. This tells us G is female.
-
T + U: Applying the same rule, ‘T + U’ means T is the sister of U. This tells us T is female.
-
U = D: According to the second rule (‘A = B’ means ‘A is the daughter of B’), ‘U = D’ means U is the daughter of D. This tells us U is female and D is the parent (either father or mother) of U.
Deducing the Relationship between G and D
From the first two steps, we know that G is the sister of T, and T is the sister of U. This establishes that G, T, and U are siblings. Since G and T are sisters, they are female. U is also female as she is T's sister. The third step tells us that U is the daughter of D.
If U is the daughter of D, and G, T, and U are siblings, then D must be the parent of all three siblings: G, T, and U.
Since G is one of the siblings and D is their parent, and we determined that G is female (‘G + T’ means G is sister), the relationship between G and D must be that G is the daughter of D.
Let's summarize the relationships we found:
- G is sister of T (G is female)
- T is sister of U (T is female)
- U is daughter of D (U is female, D is parent)
- Since G, T, and U are siblings, and U is the daughter of D, G and T must also be the children of D.
- As G is female, G is the daughter of D.
Therefore, G is the daughter of D.
Examining the Options
Let's check the given options based on our conclusion:
- Mother: This is incorrect. G is the child, and D is the parent.
- Daughter: This matches our conclusion. G is a female child of D.
- Maternal aunt: This is incorrect. G is directly related to D as a child, not an aunt figure.
- Sister: This is incorrect. G is related to D as a child, not a sibling.
Based on the breakdown of the expression and the rules provided, G is the daughter of D.
Revision Table: Blood Relation Codes
| Code | Relationship Meaning | Implied Gender |
|---|---|---|
| A + B | A is the sister of B | A is female |
| A = B | A is the daughter of B | A is female, B is parent |
| G + T | G is the sister of T | G is female |
| T + U | T is the sister of U | T is female |
| U = D | U is the daughter of D | U is female, D is parent |
Additional Information: Solving Blood Relation Questions
Blood relation questions test your ability to understand and deduce family relationships based on given information. These problems often use coded language or diagrams to represent relationships. Here are some tips for solving such problems:
- Read the instructions carefully to understand what each code or symbol represents.
- Break down complex expressions or sentences into smaller, manageable parts.
- Identify the gender of individuals whenever possible based on the rules.
- Try to build a simple family tree or diagram, especially for more complex problems, to visualize the relationships.
- Work step-by-step from one known relationship to the next until you link the required individuals.
- Double-check your deductions against the original rules and information provided.
Common relationships include parent, child, sibling (brother/sister), grandparent, grandchild, uncle, aunt, nephew, niece, cousin, in-laws, etc. Understanding the definition of each is crucial.
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