In what ratio tea of Rs.80 per kg be mixed with 12kg tea of Rs.64 per kg, so thai cost price of mixture is Rs.74 per kg?  Options
A) 3:5	B) 5:3	C) 2:5	D) 2:3	E) None of the above
If 'x' kg of tea costing Rs. 80/kg is mixed with 12 kg costing Rs. 64/kg, then   Cost price of mixture= (x*80 + 12*64) /(x+12) =74 , 80x+768 =74x+888 ,x=20   Ratio of tea mixed=20/12=5/3   ANSWER:5:3
<result>B</result>
In what ratio tea of Rs.80 per kg be mixed with 12kg tea of Rs.64 per kg, so thai cost price of mixture is Rs.74 per kg?