Railways R.R.C. (Delhi) Solved Paper Held on 1st Shift 23-11-2014

  • question_answer If the price of a commodity be raised by 40%, by how much per cent must a householder reduce his consumption of that commodity, so as not to increase his expenditure?

    A) \[28\,\,\frac{3}{7}%\]                

    B) \[28\,\,\frac{4}{7}%\]

    C) \[28\,\,\frac{7}{4}%\]                

    D) \[28\,\,\frac{7}{3}%\]

    Correct Answer: B

    Solution :

    Reduced per cent consumption \[=\frac{40}{140}\times 100\] \[=28\frac{4}{7}%\]

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