Eight kilograms of rice costing Rs. 16 per kg is mixed with four kilograms of rice costing Rs. 22 per kg. What is the average price of the mixture?
Pick:	A) 20	B) 18	C) 16	D) 19	E) 17
P1 = Rs.16 per kg, p2 = Rs. 22 per kg, q1 = 8 kg, q2 = 4 kg   Now , p = (p1q1+p2q2)/(q1+q2)   Average price of the mixture = 8*16+4*22/12   = 128+88/12   = 216 /12= 
<gadget id="calculator">216 /12</gadget>
<output>18</output>
18   ANSWER:18
<result>B</result>
Eight kilograms of rice costing Rs. 16 per kg is mixed with four kilograms of rice costing Rs. 22 per kg. What is the average price of the mixture?