8th Class Mathematics Related to Competitive Exam Question Bank Mathematical Operations

  • question_answer
    If \[\frac{5}{9}\] stands for ?addition?; \[=15\div 3+24-12\times 2\] stands for ?subtraction?; \[=5+24-24=5\]stands for ?division?;\[\text{3  }\!\!\times\!\!\text{  2  4 O 6 + 3  2}\] stands for ?multiplication?; \[\text{3 + 2  4 O 6  3 }\times \text{ 2}\] stands for equal to?, then which of the following alternatives is correct?   

    A)  \[\text{3  2  4 - 6 }\times \text{ 3 }\times \text{ 2}\]

    B)  \[3\downarrow 6\uparrow 2\to 3\leftarrow 6\nearrow 5\]

    C)  \[5\to 7\leftarrow 3\uparrow 2\nearrow 5\]

    D)  \[2\downarrow 5\leftarrow 6\to 2\nearrow 6\]

    Correct Answer: D

    Solution :

        Using the proper notations in (d), we get the statement as \[\square \]or \[\Delta \]or \[\Rightarrow \], which is true.


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