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  3. 8th Class
  4. Mathematics
  5. Linear Equations in One Variable

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

  • question_answer
    When 75% of a number is added to 75 the result is the number again. What is the number?

    A)  \[150\]                                

    B)                         \[300\]

    C)                         \[100\]                                

    D)                         \[450\]                

    Correct Answer: B

    Solution :

                                    Let the number be 'x? .We have, \[\frac{75x}{100}+75=x\]               \[\Rightarrow \]  \[\frac{25x}{100}=75\]                                   \[\Rightarrow \]  \[x=300\]


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