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DIRECTIONS: Study the following information carefully and answer the questions. (i) A + B means A is the mother of B. (ii) A - B means A is the sister of B. (ii) A * B means A is the father of B. (iv) A x B means A is the brother of B. Which of the following means Q is the grandfather of S?

A.  Q+R*S   
B.  Q*R+S
C.  S-Q+R    
D.  None of these
Answer» C.  S-Q+R    


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