Question 1

$$A + B$$ means ‘A is the mother of B’;
$$A - B$$ means ‘A is the brother of B’;
$$A \times B$$ means ‘A is the father of B’;
$$A \div B$$ means ‘A is the daughter of B’;
If, $$P - K \times Y - J \div S + R$$, then which of the following statements is NOT correct?

Solution

In the diagram, Circle shows the female, square shows the male, vertical lines show the generation, single horizontal line shows the brother/sister and double horizontal lines show the couple.

From the diagram,
Option A is correct.
$$\therefore$$ The correct answer is option A.


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