Q:
      
      
         
            
P is the brother of Q and R. S is R's mother. T is P's father. Which of the following statements cannot be definitely true ? 
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: D) Q is T's son         
         
Explanation: P, Q, R are children of same parents. So. S who is R's mother and T, who is R's father will be mother and father of all three. 
However, it is not mentioned whether Q is male or female So, D cannot be definitely true. 
       
      
      
      
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