In what ratio two types of sugar costing Rs. 50/kg and Rs. 40/Kg should be mixed to obtain a mixture of Rs. 43/Kg.

In what ratio two types of sugar costing Rs. 50/kg and Rs. 40/Kg should be mixed to obtain a mixture of Rs. 43/Kg.

1). 7 : 3
2). 3 : 7
3). 5 : 3
4). 3 : 5

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