Question:
Read the following information carefully and answer the question from the given options:
If 'A + B' means 'A' is the son of 'B', 'A \(-\) B' means 'A' is the wife of 'B', 'A \(\times\) B' means 'A' is the brother of 'B', 'A \(\div\) B' means 'A' is the mother of 'B' and 'A = B' means 'A' is the sister of 'B'.
What does 'P + R \(-\) Q' mean?
Read the following information carefully and answer the question from the given options:
If 'A + B' means 'A' is the son of 'B', 'A \(-\) B' means 'A' is the wife of 'B', 'A \(\times\) B' means 'A' is the brother of 'B', 'A \(\div\) B' means 'A' is the mother of 'B' and 'A = B' means 'A' is the sister of 'B'.
What does 'P + R \(-\) Q' mean?
If 'A + B' means 'A' is the son of 'B', 'A \(-\) B' means 'A' is the wife of 'B', 'A \(\times\) B' means 'A' is the brother of 'B', 'A \(\div\) B' means 'A' is the mother of 'B' and 'A = B' means 'A' is the sister of 'B'.
What does 'P + R \(-\) Q' mean?
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Draw a simple family tree using symbols for gender (e.g., \( + \) for male, \( - \) for female) and relationships (e.g., horizontal lines for marriage/siblings and vertical lines for generations) to easily trace the family lineage.
Updated On: Jun 11, 2026
- 'Q' is the father of 'P'
- 'Q' is the uncle of 'P'
- 'Q' is the son of 'P'
- 'Q' is the brother of 'P'
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Question:
We are given coded relationships between variables. We need to decode the expression 'P + R \(-\) Q' to identify the relationship between Q and P.
Step 2: Detailed Explanation:
Let us break down the expression 'P + R \(-\) Q' step-by-step:
- Part 1: 'P + R'
According to the given definition, '+' means 'is the son of'. Therefore, 'P + R' means P is the son of R. This implies P is male and R is a parent of P.
- Part 2: 'R \(-\) Q'
According to the given definition, '\(-\)' means 'is the wife of'. Therefore, 'R \(-\) Q' means R is the wife of Q. This implies R is female and Q is male, being the husband of R.
- Combining both parts:
Since R is the mother of P (as P is her son) and R is married to Q, Q must be the father of P.
Therefore, 'Q' is the father of 'P'.
Step 3: Final Answer:
(A) 'Q' is the father of 'P'
We are given coded relationships between variables. We need to decode the expression 'P + R \(-\) Q' to identify the relationship between Q and P.
Step 2: Detailed Explanation:
Let us break down the expression 'P + R \(-\) Q' step-by-step:
- Part 1: 'P + R'
According to the given definition, '+' means 'is the son of'. Therefore, 'P + R' means P is the son of R. This implies P is male and R is a parent of P.
- Part 2: 'R \(-\) Q'
According to the given definition, '\(-\)' means 'is the wife of'. Therefore, 'R \(-\) Q' means R is the wife of Q. This implies R is female and Q is male, being the husband of R.
- Combining both parts:
Since R is the mother of P (as P is her son) and R is married to Q, Q must be the father of P.
Therefore, 'Q' is the father of 'P'.
Step 3: Final Answer:
(A) 'Q' is the father of 'P'
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