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Math Help - Profit & Loss

  1. #1
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    Profit & Loss

    A man sells 5 eggs for 10 rupees and gains 20% profit.How much eggs did he buy for Rs.10?
    Yes,this is the quetion as a whole.Thank You.
    Last edited by devi; August 18th 2008 at 12:52 AM.
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  2. #2
    MHF Contributor
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    Quote Originally Posted by devi View Post
    A man sells 5 eggs for 10 rupees and gains 20% profit.How much eggs did he buy for Rs.10?
    Is the question as posted correct? Is there a typo? All the informations are in?

    Because if the posted question is correct, then here is a possible solution.

    If he sold 5 eggs for Rs. 10, then each egg is sold for 10/5 = Rs. 2.00
    If profit is 20%, then Rs. 2.00 is 1.20 times the cost of an egg.
    So, 2.00 /1.2 = Rs. (1 and 2/3) per egg the man bought.

    And if he had Rs. 10 to buy, then,
    10/(1 +2/3)
    = 10 / (5/3)
    = 10 * 3/5
    = 30/5
    = 6 eggs he bought for Rs.10. -----answer.
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