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 'P is the father of Q';

(ii) 'P - Q' means 'P is the sister of Q';

(iii) 'P + Q' means 'P is the mother of Q';

(iV) 'P ÷ Q' means 'P is the brother of Q'

Which of the following represents 'R is the niece of M' ?


A) M + K x T - R

B) M - J + R - N

C) R - M X T + W

D) Cannot be determined

E) None of these

Answer:

Option B

Explanation:

R is the niece of M means R is the daughter of the brother or sister of M i.e. M - J + R - N or M - J x R - N or M ÷ K+ R- N or M ÷ K x R-N'