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8th Class Mathematics Related to Competitive Exam Question Bank Arithmetic

  • question_answer
    By selling a suitcase for Rs.570, a man loses 5%. At what price must he sell it to gain 5%?

    A) Rs.630             

    B) Rs.650

    C) Rs.580                  

    D) Rs.620

    Correct Answer: A

    Solution :

    Selling price of suitcase = Rs.570 \[\frac{y}{x}=28\] We know, \[SP=\left( \frac{100-Loss%}{100} \right)CP\] \[\Rightarrow \]\[570=\left( \frac{100-5}{100} \right)CP\Rightarrow CP=600\] Now, CP = 600, gain % = 5% \[~=\left( 140\text{ }+\text{ }260 \right)m=400\text{ }m\]\[=\frac{400}{50/3}\] \[\Rightarrow \]\[=\frac{45-36}{45}hr\]  


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