Question : Directions: In a certain code language,
W + V means W is the sister of V;
W # V means W is the husband of V;
W \$ V means W is the daughter of V;
W % V means W is the mother of V;
W @ V means W is the brother of V.
Based on the above, which of the following expressions denotes that Y is the wife of Z?

Option 1: Z @ R + K + P % Y

Option 2: P \$ Y % R + K % Z

Option 3: Y % P # K + R % Z

Option 4: Y % P + K @ R \$ Z

Correct Answer: Y % P + K @ R \$ Z

Solution : Let's check the options –
First option: Z @ R + K + P % Y
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's clear that Y is the niece or nephew of Z as the gender of Y is undefined. Therefore, this option is incorrect.
Second option: P \$ Y % R + K % Z
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's clear that Y is the grandmother of Z. Therefore, this option is incorrect.
Third option: Y % P # K + R % Z
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's clear that Y is the grandmother of Z. Therefore, this option is incorrect.
Fourth option: Y % P + K @ R \$ Z
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's clear that P, K, and R, are the sons and daughters of Y and Z. So, Y is the wife of Z. Therefore, this option is correct.

So, only the fourth option fulfils the relation as per the family tree. Hence, the fourth option is correct.