Discussion Forum



In such questions, the relationships are represented by certain specific codes or symbols such ag +, -, x, +, *, *, $, @,-tr, O, f etc.

Then required to analyse some given codes to determine the relationship between a set of persons, or to express a given relationship in the coded form'

1)

(i) 'P x Q' means 'Q is mother of P;

(ii) 'P + Q' means 'P is brother of Q';

(iii) 'P - Q' means 'P is sister of Q';

(iv) 'P ÷ Q' means 'Q is father of P.

Which of the following statements is superfluous to answer the above question?

 

 


A) (i) only

B) (ii) only

C) (iii) only

D) (iv) only

E) None of these

Answer:

Option C

Explanation:

Clearly, we didn't use the code P - Q in the above question and as such, statement (iii) is suPerfluous.