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 Q is the son of P?
Option 1: P – R × Q
Option 2: Q – P × R
Option 3: P – Q – R
Option 4: P – Q × R
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Correct Answer: P – Q × R
Solution : Let's check the given options – First option: P – R × 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. From the above family tree, it is evident that the gender of Q is not definite. Q can either be the son or daughter of P. Second 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. From the above family tree, it is evident that Q is the mother of P. 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. From the above family tree, it is evident that Q is the daughter of P. Fourth 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. From the above family tree, it is evident that Q is the son of P.
So, only the fourth option fulfils the relation given in the question. Hence, the fourth 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 Q is the brother of P?
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 Q is the son of P?
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 Q is the son of P?
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?
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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