A man purchased 3 blankets @ Rs.100 each, 4 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.150. Find the unknown rate of two blankets? Pick:
A) A)600	B) B)350	C) C)450	D) D)470	E) E)500
Explanation:   10 * 150= 
<gadget id="calculator">10 * 150</gadget>
<output>1_500</output>
1500   3 * 100 + 4 * 150= 
<gadget id="calculator">3 * 100 + 4 * 150</gadget>
<output>900</output>
900   1500 – 900= 600   600
<result>A</result>
A man purchased 3 blankets @ Rs.100 each, 4 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.150. Find the unknown rate of two blankets?