The cost of Type 1 material is Rs. 15 per kg and Type 2 material is Rs.20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then what is the price per kg of the mixed variety of material? Choose the correct choice from the following choices: A) 18 B) 20 C) 25 D) 30 E) 35
Type 1 cost = 15   type 2 cost = 20   =&gt;2:3   hence cost the mixture= (15*2)+(20*3) /(2+3) = 18   18NSWER 18
<result>A</result>
The cost of Type 1 material is Rs. 15 per kg and Type 2 material is Rs.20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then what is the price per kg of the mixed variety of material?