If X × Y means that X is the father of B, X ÷ B means that X is the mother of B, X - Y means that X is the brother of Y then which of the following expression shows that A is the father of C?
Answer & explanation
Correct answer: option 4
Checking from the options, we get the answer from option (iv):

*********************************************************
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".
*********************************************************