Q:
      
      
         
            
(i) In a family of six persons A, B, C, D, E and F, there are two married couples. 
(ii) D is grandmother of A and mother of B. 
(iii) C is wife of B and mother of F. 
(iv) F is the grand daughter of E.  
Who among the following is one of the couples ? 
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: D) none of these         
         
Explanation: C is wife of B. So, one couple is BC. Now, D in grandmother of A, B is the son of D and his wife C is the mother of F. SO, D is also the grandmother of F But F is the granddaughter of E. 
So, E is the grandfather of F and the husband of D. Thus, DF is another couple 
       
      
      
      
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