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8th Class Mathematics Comparing Quantities Question Bank Comparing Quantities

  • question_answer
    If 30% of \[140=x%\] of 840, then the value of x is___.

    A)  5                                

    B)  15      

    C)  24                  

    D)         60                  

    Correct Answer: A

    Solution :

    We have. 30% of \[140\text{ }=\text{ }x%\] of 840 \[\Rightarrow \frac{30}{100}\times 140=\frac{x}{100}\times 840\] \[\Rightarrow 42=\frac{42}{5}x\Rightarrow x=5\]


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