Question : Directions: If A + B means that A is the brother of B, A × B means that A is the sister of B, and A ÷ B means that A is the father of B, then which of the following expressions shows that P is the sister of R?
Option 1: P ÷ Q + R
Option 2: P + Q × R
Option 3: P × Q ÷ R
Option 4: P × Q + R
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Correct Answer: P × Q + R
Solution :
Given:
A + B ⇒ A is the brother of B
A × B ⇒ A is the sister of B
A ÷ B ⇒ A is the father of B
Let's check each option –
First option:
P ÷ Q + R
As per the given information, the family tree will be as follows –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. So, P is the father of R.
Second option:
P + Q × R
As per the given information, the family tree will be as follows –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. So, P is the brother of R.
Third option:
P × Q ÷ R
As per the given information, the family tree will be as follows –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. So, P is the aunt of R.
Fourth option:
P × Q + R
As per the given information, the family tree will be as follows –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. So, P is the sister of R.
Hence, the fourth option is correct.
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