The total cost of three prizes is 900. If the value of second prize is\[\frac{1}{2}\]of the first and the value of 3rd prize is \[\frac{3}{4}\]of the first prize, find the value of first prize.

• A.  Rs. 200                        
• B.  Rs. 300        
• C.  Rs. 400    
• D.  Rs. 450