A candidate who gets 20% of the marks fails by 40 marks. But another candidate who gets 30% marks gets 20 marks more than necessary for passing. Find the number of marks for passing?  Choose the correct choice from the following choices.
A) 160 Marks
B) 200 Marks
C) 280 Marks
D) 371 Marks
E) 827 Marks
20% ------------ 40   30% ------------ 20   ----------------------   10% ------------- 60   20% -------------- ?     120 + 40= 
<gadget id="calculator">  120 + 40</gadget>
<output>160</output>
160 Marks   160 Marksnswer:160 Marks
<result>A</result>
A candidate who gets 20% of the marks fails by 40 marks. But another candidate who gets 30% marks gets 20 marks more than necessary for passing. Find the number of marks for passing?