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%?

• the ans is : 1 : 4 : 2.
  this type of question take more time to solve. so go through the option it will easily soved.
  
  1 kg of variety A at Rs.60 is mixed with 4 kgs of variety B at Rs.75 and 2 kgs of variety C at Rs.100.
  The total cost for the 7 kgs = 60 + (4 * 75) + (2 * 100) = 60 +300 + 200 = 560.
  Cost per kg of the mixture = 560/7 = 80 kgs.
  and also 20 % of 80 is 96 so our assumtion is true. so ratio will be 1:4:2
  
• 11 years agoHelpfull: Yes(25) No(4)