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    Professor

    After allowing 15% discount, the selling price of radio becomes Rs.255. The marked price is :

    1. Rs.600
    2. Rs.400
    3. Rs.300
    4. Rs.500
    Asked by Anurag Mishra on 29th December 2015 in Maths.
    1 Answers
    Professor

    Answer: (3)  Rs.300

    Explanation:-
    Selling price of a radio = Rs.225
    Discount = 15%

    Then, marked price of a radio = 225 x 100/(100 – 15)
      = 225 x 100/75
     = 225 x 4/3
     = 75 x 4
     = 300

    Then, marked price of a radio is Rs. 300. 

    Hence, the correct answer is option (3) Rs. 300

    Answered by Monis Rasool on 29th December 2015..