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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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