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    By selling an item at a 10% profit a seller makes a profit of Rs. 777.70. Find the cost price of the item.
    Question

    By selling an item at a 10% profit a seller makes a profit of Rs. 777.70. Find the cost price of the item.

    A.

    Rs. 7,707

    B.

    Rs. 7,777

    C.

    Rs. 7,277

    D.

    Rs. 7,177

    Correct option is B

    Given:  

    Profit = 777.7 

    Solution:

    Let the cost price of the article = 100 unit 

    then the profit 10% of 100 unit = 10 unit 

    According to the question 

    10 unit = 777.7 

    1 unit = 77.77 

    Cost price of the article 100 unit = 100×77.77=7777100\times77.77 = 7777​​


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