Multiple choice

In what ratio should tea costing Rs. 300/kg be mixed with tea costing Rs. 200/kg so that the cost of the mixture is Rs. 225/kg?

  1. 3 : 1

  2. 1 : 3

  3. 1 : 4

  4. 4 : 1
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B Correct answer
AI explanation

Using the method of alligation, write the prices to find the ratio of the quantities: 300, 200, and the mean price 225. The ratio is determined by the differences, which are (225 - 200) : (300 - 225). This gives 25 : 75, simplifying to a required mixing ratio of 1 : 3.

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