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Discussion :: Chain Rule

  1. If 2 kg of almonds cost as much as 8 kg of walnuts, and the cost of 5 kg of almonds and 16 kg of walnuts is Rs 1080, what is the cost of almonds per kg?

    2. A.
    Rs 160
    B.
    Rs 120
    C.
    Rs 150
    D.
    None of these.

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    Answer : Option B

    Explanation :

    Let the cost of almond per kg be Rs x, and the cost of walnuts per kg be Rs y.
    Now, ATQ, 2x = 8y or x = 4y
    Now, 5x+ 16y = 1080
    Or, 5x+4x = 1080
    Or, x = 120
    Therefore, the cost price of almond per kg = Rs. 120

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