If A B means A is the mother of B, A – B means A is the father of B, A * B means A is the sister of B, then what does “P – Q R” mean? - Study24x7
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If A + B means A is the mother of B, A – B means A is the father of B, A * B means A is the sister of B, then what does “P – Q + R” mean?

A

R is father of Q

B

R is mother of Q

C

Q is mother of R

D

P is grandfather of R

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