Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-35

  • question_answer
    A reduction of 25% in the price of sugar enables a man to buy \[7\frac{1}{2}\,\,\,kg\] more sugar for Rs. 360. The original price per kg of sugar was

    A)  Rs. 16 

    B)  Rs. 18

    C)  Rs. 20 

    D)  Rs. 25

    Correct Answer: A

    Solution :

    Let the original price of sugar = Rs. x per kg \[\therefore \]New price of sugar\[=x\times \frac{75}{100}\] = Rs.\[\frac{3x}{4}\] According to the question, \[\frac{360}{\frac{3x}{4}}-\frac{360}{x}=\frac{15}{2}\] \[\Rightarrow \]\[\frac{480}{x}-\frac{360}{x}=\frac{15}{2}\Rightarrow \frac{120}{x}=\frac{15}{2}\] \[\Rightarrow \]\[x=\frac{120\times 2}{15}=\]Rs. 16 per kg


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