Question : Directions: A @ B means A is the husband of B.
A & B means A is the mother of B.
A # B means A is the wife of B.
Which of the following options would mean P is the father-in-law of S?
Option 1: P @ Q & S # R
Option 2: Q @ P & R # S
Option 3: P @ Q & R # S
Option 4: P @ Q & R & S
Correct Answer: P @ Q & R # S
Solution :
Given:
A @ B means A is the husband of B.
A & B means A is the mother of B.
A # B means A is the wife of B.
Now, let's check the options –
First option:
P @ Q & S # R
From the above family tree, it shows that P is the father of S.
Second option:
Q @ P & R # S
According to the given information, the family tree will be –
From the above family tree, it shows that P is the mother-in-law of S.
Third option:
P @ Q & R # S
According to the given information, the family tree will be –
From the above family tree, it is evident that the P is the father-in-law of S.
Fourth option:
P @ Q & R & S
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.
From the above family tree, it shows that P is the grandfather of S.
So, only the third option fulfils the relation as per the family tree. Hence, the third option is correct.
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