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Discussion :: Alligation or Mixture

  1. The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs. 20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety of rice is:

    2. A.

    Rs. 18
    B.

    Rs. 18.50
    C.

    Rs. 19
    D.

    Rs. 19.50

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    Answer : Option A

    Explanation :

    Let the price of the mixed variety be Rs. x per kg.

    By rule of alligation, we have:

                   

     

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