Question : Directions: If P ÷ Q means that P is the mother of Q, P – Q means that P is the father of Q, and P × Q means that P is the sister of Q, then which of the following expressions shows that B is the daughter of A?

Option 1: B – A ÷ C

Option 2: A – B ÷ C

Option 3: B – A × C

Option 4: C ÷ B – A

Correct Answer: A – B ÷ C

Solution : Let's check the options –
First option: B – A ÷ C
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 B is the father of A.
Second option: A – B ÷ C
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 B is the daughter of A.
Third option: B – A × C
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 B is the father of A.
Fourth option: C ÷ B – A
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 B is the father of A.

So, only the expression in the second option satisfies the relation given in the question. Hence, the second option is correct.