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SSC Sample Paper Mock Test-3 SSC CGL Tear-II Paper-1

  • question_answer
    Successive discounts of 20% and 10% are equivalent to a single discount of

    A)  30%                            

    B)  15%   

    C)  28%    

    D)  25%

    Correct Answer: C

    Solution :

    Let the marked price of any article = Rs. 100 \[\therefore \]Selling price at 20% discount \[=100\times \frac{80}{100}\] = Rs. 80 Again 10% discount, then SP\[=80\times \frac{90}{100}\]= Rs.72 \[\therefore \]Total discount \[=100-72\]=Rs. 28 \[\therefore \]Equivalent discount per cent = 28%                        


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