Ram get 450 marks in his exam which is 90% of total marks. What is the total marks? Select the correct option:
A) 475
B) 600
C) 550
D) 500
E) 525
X * (90/100) = 450   X = 5 * 100= 
<gadget id="calculator">5 * 100</gadget>
<output>500</output>
500   Answer: 500
<result>D</result>
Ram get 450 marks in his exam which is 90% of total marks. What is the total marks?