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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-4

  • question_answer
    When the price of eggs is reduced by 20% it enables a man to buy 20 more eggs for Rs. 40. The reduced price per egg 13

    A)  35 paise                       

    B)  40 paise  

    C)  50 paise           

    D)         56 paise

    Correct Answer: B

    Solution :

     Let original rate \[=Rs.\,\,x\]per egg. New rate\[=80%\]of\[x\]             \[=Rs.\,\,\frac{4x}{5}\] Original quantity for\[40=\frac{40}{x}\] New quantity             \[=40\times \frac{5}{4x}=\frac{50}{x}\] \[\therefore \]      \[\frac{50}{x}-\frac{40}{x}=20\] \[\therefore \]Reduced price             \[=80%\]of\[Rs.\,\,\frac{1}{2}\]             \[=\frac{4}{5}\times \frac{1}{2}=Rs.\,\,\frac{2}{5}\]             \[=\frac{2}{5}\times 100=40\,\,paise\]


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