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8th Class Mental Ability Blood Relations Question Bank Blood Relations

  • question_answer
    Direction: Answer the questions based on the following information: (i) A+B means A is the mother of B. (ii) A-B means A is the sister of B. (iii) A * B means A is the father of B. (iv) \[\mathbf{A}\pi \mathbf{B}\] means A is the brother of B. Which of the following means Q is the grandfather of P?

    A)  P + N * M * Q             

    B)  Q * N * M + P    

    C)  \[Q\pi M\pi N*P\]          

    D)  Q * N * M - P

    Correct Answer: D

    Solution :

    : Let us consider option Q*N*M-P Q is the father of N and N is the father of M. So Q is the grandfather of M who is the sister of P. Hence, Q is the grandfather of P.


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