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 most appropriate option:	A) Rs. 19	B) Rs. 16	C) Rs. 18	D) Rs. 17	E) Rs. 21
Explanation:   Solution 1   Cost Price(CP) of Type 1 material is Rs. 15 per kg   Cost Price(CP) of Type 2 material is Rs. 20 per kg   Type 1 and Type 2 are mixed in the ratio of 2 : 3.   Hence Rs. 18ost Price(Rs. 18P) of the resultant mixture   =(30+60)/5=90/5= 
<gadget id="calculator">90/5</gadget>
<output>18</output>
18=&gt; Price per kg of the mixed variety of material =Rs.18   Answer IS Rs. 18
<result>C</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?