Read the following information carefully to answer the question given below :
If A + B means A is the son of B ;
A – B means A is the husband of B ;
An x B means A is the sister of B,
then which of the following shows the relation Q is the maternal uncle of P?
Answer with explanationAnswer: Option B
Q is the maternal uncle of P means P is the son of the sister of Q i.e. P is the son of the husband (say B) of the sister (say R) of Q i.e. (P + B – R x Q