Question : Directions: If A ÷ B means that A is the father of B, A – B means that A is the mother of B, and A + B means that A is the brother of B then which of the following expressions shows that P is the mother of R?
Option 1: Q – P + R
Option 2: P – Q + R
Option 3: P – Q ÷ R
Option 4: R + P – Q
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Correct Answer: P – Q + R
Solution : Let's check the given options – First option: Q – P + R According to the given expression, the family tree will be as follows –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. From the above family tree, it is evident that P is the brother of R. Second option: P – Q + R According to the given expression, the family tree will be as follows –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. From the above family tree, it is evident that P is the mother of R. Third option: P – Q ÷ R According to the given expression, the family tree will be as follows –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. From the above family tree, it is evident that P is the paternal grandmother of R. Fourth option: R + P – Q According to the given expression, the family tree will be as follows –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. From the above family tree, it is evident that P is the sister of R.
So, only the expression in the second option satisfies the relation given in the question. Hence, the second option is correct.
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Question : Directions: If A × B means that A is the father of B, A – B means that A is the mother of B, and A ÷ B means that A is the brother of B, then which of the following expressions shows that P is the father of R?
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Question : Directions: If A × B means that A is the father of B, A – B means that A is the mother of B, and A ÷ B means that A is the brother of B, then which of the following expressions shows that P is the paternal uncle of R?
Question : Directions: If A ÷ B means that A is the brother of B, A × B means that A is the sister of B, and A – B means that A is the father of B then which of the following expressions shows that P is the paternal uncle of R?
Question : Directions: If A ÷ B means that A is the brother of B, A × B means that A is the sister of B, and A – B means that A is the father of B then which of the following expressions shows that P is the father of R?
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