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  5. Linear Equations in One Variable

8th Class Mathematics Linear Equations in One Variable Question Bank Linear Equations in One Variable

  • question_answer
    \[{{\frac{2}{3}}^{rd}}\] of a number when multiplied by \[{{\frac{3}{4}}^{th}}\]of the same number gives 338. What is the number?

    A)  \[18\]                                                  

    B)                         \[24\]                                  

    C)                         \[36\]                                  

    D)                         \[26\]

    Correct Answer: D

    Solution :

    Let the number be x. \[\frac{2x}{3}\times \frac{3x}{4}=338\]   \[\Rightarrow \]    \[{{x}^{2}}=676\] \[\Rightarrow \] \[x=\sqrt{676}=26\]


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