In a certain code language,
‘A + B’ means ‘A is the sister of B’,
‘A - B’ means ‘A is the father of B’ and
‘A × B’ means ‘A is the brother of B’.
How is R related to S if Q + R - P × N - S?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. Father’s father.
In the diagram shown;
The square shows males, the circle shows females, vertical lines show generations, a single horizontal line shows brothers or sisters, and double lines show a couple.
From the above tree, R is the father’s father of S.
Hence, Father’s father is the correct answer.