Question

If X+Y means, X is sister of Y
X-Y means X is brother of Y
$X\cdot Y$ means X is daughter of Y
Which of the following shows the relation that Z is the maternal uncle of S?

• A. $S+T\times Z$
• B. $S-T\times Z$
• C. $S\cdot T-Z$
• D. $S\cdot T+Z$
• E. None of these

Answer 1

The correct option is C $S\cdot T-Z$

b'Z is the maternal of S means that S is the daughter of the mother (T) who has a brother Z This is clear from S$displaystylecdot$T-Z'.