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 A is the father of C?

Option 1: B × A – C

Option 2: A × B – C

Option 3: A × B ÷ C

Option 4: A – B × C

Correct Answer: A × B – C

Solution : Let's check the given options –
First option: B × A – C
According to the above expression, the family tree will be as follows –

Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. So, A is the sister of C.
Second option: A × B – C
According to the above expression, the family tree will be as follows –

Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. So, A is the father of C.
Third option: A × B ÷ C
According to the above expression, the family tree will be as follows –

Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. So, A is the grandfather of C.
Fourth option: A – B × C
According to the above expression, the family tree will be as follows –

Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. So, A is the aunt of C.

So, only in the second option, A is the father of C. Hence, the second option is correct.