If A – B means that A is the brother of B,
A + B means that A is the sister of B,
A × B means that A is the father of B.
Then which of the following expression shows that P is the brother of R?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. P – Q + R.
Option1: P – Q + R
From the above tree, P is the brother of R.