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)

'P = Q' means 'Q is the father of P;

'P * Q' means 'P is the sister of Q';

'P ?.Q'means 'Q is the mother of P;

'P & Q' means 'P is the brother of Q';

'P % Q' means 'Q is the son of F;

'P x Q'means'P is the daughter of Q'.

Which of the following is not correct?


A) R x S ? T means R is the granddaughter of T.

B) P = Q ? R means R is the grandmother of P.

C) L & M * O means O is the sister of L

D) M * O % P = Q means Q and O are husband and wife'

E) All are correct

Answer:

Option C

Explanation:

R x S ? T means R is the daughter of S whose mother is T i.e. R is the granddaughter of T.

P = Q ? R means R is the mother of Q who is the father of P i.e. R is the grandmother of P