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7th Class Mathematics Comparing Quantities Question Bank Comparing Quantities

  • question_answer
    When a number is reduced by 4, it becomes 80% of itself. Find the number.

    A)  \[20\]                    

    B)         \[30\]

    C)  \[40\]  

    D)                         \[50\]

    Correct Answer: A

    Solution :

     Let the number be x. Then,\[x-4=80%\] of x \[\Rightarrow \]   \[\frac{x}{5}=4\]  \[\Rightarrow \] \[x=20\]


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