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Rice costing Rs 30 per kg must be mixed with rice costing Rs 51 per kg to get a mixture worth Rs 36 per kg. How many kg of the cheaper rice should be mixed with 16 kg of the dearer rice?

1. Rice costing Rs 30 per kg must be mixed with rice costing Rs 51 per kg to get a mixture worth Rs 36 per kg. How many kg of the cheaper rice should be mixed with 16 kg of the dearer rice?

 

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