Question : Directions: If X – Y means that X is the mother of Y, X × Y means that X is the father of Y and X ÷ Y means that X is the sister of Y, then which of the following expressions shows that Q is the son of P?
Option 1: P – Q ÷ R
Option 2: P – Q × R
Option 3: Q – P × R
Option 4: R × Q – P
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Correct Answer: P – Q × R
Solution : Given: X – Y means that X is the mother of Y. X × Y means that X is the father of Y. X ÷ Y means that X is the sister of Y.
Now, let's check the options – First option: P – Q ÷ R According to the given information, the family tree will be –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. So, Q is the daughter of P. Second option: P – Q × R According to the given information, the family tree will be –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. So, Q is the son of P. Third option: Q – P × R According to the given information, the family tree will be –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. So, Q is the mother of P. Fourth option: R × Q – P According to the given information, the family tree will be –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. So, Q is the mother of P.
So, only in the second option, Q is the son of P. Hence, the second option is correct.
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Question : Directions: If X × Y means that X is the mother of Y, X – Y means that X is the father of Y, and X ÷ Y means that X is the sister of Y, then which of the following expressions shows that P is the paternal grandfather of R?
Question : Directions: If X × Y means that X is the father of Y, X ÷ Y means that X is the mother of Y, and X – Y means that X is the brother of Y then which of the following expressions shows that A is the father of C?
Question : Directions: If R ÷ S means that R is the mother of S, R × S means that R is the father of S and R – S means that R is the sister of S, then which of the following expressions shows that P is the father of R?
Question : Directions: If A × B means that A is the mother of B, A – B means that A is the father of B, and A ÷ B means that A is the sister of B, then which of the following expressions shows that P is the paternal grandmother of R?
Question : Directions: If L × M means that L is the mother of M, L – M means that L is the father of M, and L ÷ M means that L is the sister of M, then which of the following expressions shows that R is the brother of P?
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