A man purchased 5 blankets @ Rs.100 each, 5 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? Choose the correct choice:
A) A)250	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   5 * 100 + 5 * 150= 
<gadget id="calculator">5 * 100 + 5 * 150</gadget>
<output>1_250</output>
1250   1500 – 1250= 250   250
<result>A</result>
A man purchased 5 blankets @ Rs.100 each, 5 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?