question_answer

DIRECTION: Study the following information and answer the questions given below.

'\[A\div B\]?means 'B is father of A'

'\[A\times B\]' means 'A is sister of B?

'\[A+B\]' means 'A is brother of B'.

'\[A-\,B\]' means 'B is mother of A'.

Which of the following means R is nephew of T?

 

A)  \[R+N-\,Q\times T\]      

B)  \[R-\,Q\times N\times T\]

C)  \[R-\,N\times T\]

D)  \[T+M\div R\]

Correct Answer: A

Solution :

[a] If R is nephew of T then the required equation must depict R as a male. Reject [b] and [c] because in these equations the symbol '?' denotes the sex of Q and N respectively. The sex of R remains unknown. Reject [d] because these equations depict R older then T. Now, check [a] Obviously, R is the nephew of T.