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 Q is the brother of P?
Answer & explanation
Correct answer: option 4
Checking from the options (iv), we get:
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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".
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