Mathematics · Blood Relations
The blood relationship between two individuals is represented by the following notations: A + B means A is the mother 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 sister of B. A % B means A is the daughter of B. Which of the following expressions shows that P is the mother-in-law of S?
- 1P + Q - R @ S
- 2P + Q @ R % S✓
- 3P & Q + R @ S
- 4P - Q + R & S
Correct answer
P + Q @ R % S
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