If A ÷ B means that A is the father of B, A - B means that A is the mother of B, A + B means that A is the brother of B then which of the following expression shows that P is the mother of R?
Answer & explanation
Correct answer: option 2
Checking from the options, we get the answer from the options (ii):

*********************************************************
Please note:
l ⇒ Vertical line shown "generation gap".
= ⇒ Double lines shown "relation of spouse"
— ⇒ Horizontal line shown "relation in same generation other than spouse".
⇒ Rectangular box shown " Male".
⇒ Circular box shown " Female".
*********************************************************