1.

If 'P + Q' means 'P is the brother of Q'; \['P\times Q'\]means 'P is the father of Q' and "P - Q' means 'P is the sister of Q', then which of the following relations shows that 'I is the niece of K'?

A.  \[K+Y\times l-Z\]          
B.  \[K\times Y-l-Z\]     
C.  \[Z-l\times Y+K\]          
D.  K+Y+Z-l
Answer» B.  \[K\times Y-l-Z\]     


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