question_answer

Direction: Read the information carefully and answer the following questions:

\[A\,\Delta \,B\]means A is mother of B

Ameans A is brother of B

A means A is husband of B

\[A||B\]means A is father of B

\[\,A\sum B\]means A is daughter of B

Which of the following expressions is true, if P is not daughter of Q?

A) \[A\,\Delta \,B\]C\[P\sum Q\]     

B) \[A||B\]C\[P\sum Q\]

C) Q\[A\,\Delta \,B\,\Delta \,P\Delta \,R\]

D) \[Q\,\Delta \,A\] B\[P\sum B\]

E) \[R||Q\Delta \,A\]\[P\sum B\]     

Correct Answer: C

Solution :

Option 1) P is granddaughter of Q. Hence, follows. Option 2) P is daughter of Q. Hence, does not follow. Option 3) P is granddaughter of Q, Hence, follows. Option 4) P is daughter of Q. Option 5) P is daughter of Q. Hence, does not follow. Hence option 3) is the answer