9th Class Mental Ability Mathematical Operations Question Bank Mathematical Operations

  • question_answer
    Consider the meanings of the four symbols %, #, and * as given below: 'A % B' means A is more than B', A # B' means A is either more than or equal to B^ 'A B' means A is less than B', 'A * B' means A is equal to B'. Assuming the above statements to be true, identify which of the two conclusions I and regarding the statements given below is/are true? Statements: P Q, Q * R, R # S. Conclusions: I. S % P            II. Q # S

    A)  None                           

    B)  Only I                         

    C)  Only II                        

    D)  Both I and II    

    Correct Answer: C

    Solution :

    :  P Q ,Q * R ,R # S \[\Rightarrow P<Q,Q=R,R\,\underline{>}\,S\] \[\Rightarrow P<Q=R,R\,\underline{>}\,S\] \[\Rightarrow Q\,\underline{>}\,S\]\[\Rightarrow Q\#S\]


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