A candidate who gets 30% of the marks fails by 50 marks. But another candidate who gets 45% marks gets 25 marks more than necessary for passing. Find the number of marks for passing?  Choose the correct choice from the following answers: A) 100 Marks B) 200 Marks C) 280 Marks D) 371 Marks E) 827 Marks
30% ------------ 50   45% ------------ 25   ----------------------   15% ------------- 75   30% -------------- ?     150 + 50= 
<gadget id="calculator">  150 + 50</gadget>
<output>200</output>
200 Marks   Answer:200 Marks
<result>B</result>
A candidate who gets 30% of the marks fails by 50 marks. But another candidate who gets 45% marks gets 25 marks more than necessary for passing. Find the number of marks for passing?