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    Question

    If cost of x articles is Rs. y, then what will be the

    cost of z articles?
    A Rs. xy Correct Answer Incorrect Answer
    B Rs. yz Correct Answer Incorrect Answer
    C Rs. xz/y Correct Answer Incorrect Answer
    D Rs. yz/x Correct Answer Incorrect Answer

    Solution

    Given:  Cost of x articles = Rs. y Cost per article = y/x Cost of z articles = (y/x) × z = yz/x

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