9th Class Mental Ability Blood Relations Question Bank Blood Relation

  • question_answer
    Directions: The following questions are based on the information given below:
    (i) \[P\times Q\]means 'P is the father of Q?
    (ii) \[PQ\]means 'P is the sister of Q?
    (iii) \[P+Q\]means 'P is the mother of Q?
    (iv) \[PQ\]means 'P is the brother of Q?
    In the expression \[B+D\times M-N\], how is M related to B?

    A) Granddaughter  

    B)        Son

    C) Grandson     

    D)        Granddaughter or Grandson

    E) None of these

    Correct Answer: C

    Solution :

    Explanation Option [c] is correct. \[B+D\times M-R\] N means B is the mother of D who is the father of M, who in turn, is the brother of N. Thus, M is the son of D, whose mother is B i.e. M is B's grandson.   


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