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7th Class Mathematics Comparing Quantities Question Bank Comparing Quantities

  • question_answer
    (180 % of\[x\])\[\div 2=504,\] then\[x\]is equal to

    A) 400                             

    B) 480

    C) 560                 

    D) 600

    Correct Answer: C

    Solution :

         \[\left( 180\,%\text{ of }x \right)\times \frac{1}{2}=504\] \[\Rightarrow \]\[\frac{180}{100}\times x\times \frac{1}{2}=504\] \[\Rightarrow \]\[\frac{9x}{10}=504\] \[\Rightarrow \]\[x=\frac{504\times 10}{9}=560\]   


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