A shopkeeper buys oranges at 5 for a rupee and an equal number of them at 6 for a rupee and sold the whole lot?



A shopkeeper buys oranges at 5 for a rupee and an equal number of them at 6 for a rupee and sold the whole lot at the rate of 4 for a rupee. Find his gain percent?

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2 Replies to “A shopkeeper buys oranges at 5 for a rupee and an equal number of them at 6 for a rupee and sold the whole lot?”


  1. @ 5 for a rupee let us say he bought x oranges Cost = x/5 Rs.

    @ 6 for a rupee he has bought x oranges Cost = x/6Rs

    So total oranges = 2x total cost = x/5 + x/6 = 11x/30

    so profit = 2x/4 -11x/30
    = x/2 – 11x/30
    15x- 11x = 4x/30 = 2x/15

    gain percent = 2x/15 divided by 11x/30 multiplied by 100

    2x/15 X 30/11x X 100
    = 400/11 = 36.36%





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