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SSC Sample Paper SSC CGL - Sample Paper-20

  • question_answer
    When the price of sugar decreases by 10%, a man could buy 1 kg more for Rs. 270. Then, the original price of sugar per 1is

    A) Rs. 25              

    B) Rs. 30

    C) Rs. 27              

    D) Rs. 32

    Correct Answer: B

    Solution :

    Let the original price of sugar be Rs. x per kg. \[\therefore \]      New price \[=Rs.\frac{9x}{10}\,\text{per}\,\,\text{kg}\] \[\therefore \]      \[\frac{270}{\frac{9x}{10}}-\frac{270}{x}=1\] \[\Rightarrow \]   \[\frac{300}{x}-\frac{270}{x}=1\] \[\Rightarrow \] \[\frac{30}{x}=1\] \[\Rightarrow \]   \[\text{=}\,\text{Rs}\text{.}\,\text{30}\,\text{per}\,\text{kg}\]


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