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)

Read the following information carefully to answer the questions given below

I. A x B means A is the brother of B

II. A ÷ B  means B is the father of A

III. A + B means A is the sister of B 

IV. A - B means A is the mother of B

Which of the following means 'Q is the paternal uncle of K?

a) K X P ÷ M X Q

b) K X B ÷ N X Q X D 

c) Q X L ÷ R X K


A) Only A

B) Only B

C) Only C

D) Both A & B

E) None of these

Answer:

Option B

Explanation:

 (A) 'K x P ÷ M x Q' means 'K is the brother of P whose father is M, who is the brother of Q' Thus, K is the child of M, who is the brother of Q. So, Q may be the paternal uncle or aunt of K

(B) 'K x B ÷ N x Q x D' means 'K is the brother of B, whose father is N, who is the brother of Q, who in turn is the brother of D' Thus, N is the father of K, and Q is the brother of N. So, Q is the paternal uncle of K.

(C)'Q x L ÷ R x K means 'Q is the brother of L whose father is R, who is the brother of K. Thus, R is the father of Q and R is the brother of K. So, K may be the paternal uncle or aunt of Q.

Thus, only (B) represents the correct relation.