a dealer buys 4 varieties of rice costing rs. 30,rs.40,rs.60 and rs.80 per kg in the ratio 4:5:4:3 and mixes all the four varieties and sells at 30% profit. What is the selling price per kg of rice?	Options
A) 62
B) 65
C) 66
D) 67
E) 69
CP = 30*4+40*5+60*4+80*3= 
<gadget id="calculator">30*4+40*5+60*4+80*3</gadget>
<output>800</output>
800   SP= 1.3*800= 
<gadget id="calculator">1.3*800</gadget>
<output>1_040</output>
1040   Total no.of kgs=4+5+4+3= 
<gadget id="calculator">4+5+4+3</gadget>
<output>16</output>
16   SP per kg=1040/16= 
<gadget id="calculator">1040/16</gadget>
<output>65</output>
65   ANSWER:65
<result>B</result>
a dealer buys 4 varieties of rice costing rs. 30,rs.40,rs.60 and rs.80 per kg in the ratio 4:5:4:3 and mixes all the four varieties and sells at 30% profit. What is the selling price per kg of rice?