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    A shopkeeper sells a chair for ₹639 and incurs a loss of 10%. What is the cost price (in ₹) of the chair?
    Question

    A shopkeeper sells a chair for ₹639 and incurs a loss of 10%. What is the cost price (in ₹) of the chair?

    A.

    700

    B.

    615

    C.

    600

    D.

    710

    Correct option is D

    Given:

    A shopkeeper sells a chair for Rs. 639 and incurs a loss of 10%.

    Formula used:

    Selling Price = Cost Price (1 - Loss%)

    Solution:

    Cost price of the chair = 639 ÷ (1 - 10100\frac{10}{100}​) = Rs. 710

    Thus, the cost price of the chair is Rs. 710.

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