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In what ratio must a person mix three kinds of tea costing [#permalink]
29 Nov 2004, 07:20
In what ratio must a person mix three kinds of tea costing Rs.60/kg, Rs.75/kg and Rs.100 /kg so that the resultant mixture when sold at Rs.96/kg yields a profit of 20%? (1) 1 : 2 : 4 (2) 3 : 7 : 6 (3) 1 : 4 : 2 (4) None of these