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    Question

    The marked price of an article is increased by

    25% and the selling price is increased by 16.66%, then the amount of profit doubles. If the original marked price be Rs. 400 which is greater than the corresponding cost price by 33.33% , what is the increased selling price?
    A 240 Correct Answer Incorrect Answer
    B 360 Correct Answer Incorrect Answer
    C 420 Correct Answer Incorrect Answer
    D 600 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Initially CP profit SP MP 100 x (100+x) 133.33 After Change 100 2x (100+x) 7/6 Now, Since (100+x) 7/6 - 100 = 2x x = 20% CP Profit SP MP 100 20 120 133.33 So, 300 60 360 400 Again 300 120 420 So the increased selling price = Rs. 420

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