7th Class Mathematics Related to Competitive Exam Question Bank Mathematical Operations

  • question_answer
    DIRECTIONS: Below are given some symbols indicating some relations given against them Read these symbols carefully and then answer the questions given below. There are four options to each question, of which only one is correct. Find the correct answer. \[\Delta =\]greater than;          \[+=\]not greater than \[\theta =\] equal to;                \[\phi =\]not equal to \[\times =\] less than,              \[\square \,=\]not less than \[a\,\square \,b\,\Delta \,c\]implies that

    A)  \[a+\,\,\square \,\,b\,\Delta \,c\]          

    B)  \[a\times b-c\]

    C)  \[a\,\Delta \,b\times c\]           

    D)  \[a+b\times c\]

    Correct Answer: A

    Solution :

        Hypothesis (stem of the question) states \[a\ne b\]\[\And \]\[b>c.\] Only relation not possible between a and b is that of equality. Hence (a), (b), (c), (d) are all possible from the relation between a and b. Coming to the second relation only (a) is possible. Hence (a) is the answer.  


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