Pradeep has to obtain 40% of the total marks to pass. He got 200 marks and failed by 20 marks. The maximum marks are	Choose the correct option
A) 300  B) 600  C) 550  D) 1000  E) 900
Explanation :   Let their maximum marks be x.   Then, 40% of x = 200 + 20   =&gt;40/100x= 220   x = (22000/40)= 
<gadget id="calculator">(22000/40)</gadget>
<output>550</output>
550.   Answer : 550
<result>C</result>
Pradeep has to obtain 40% of the total marks to pass. He got 200 marks and failed by 20 marks. The maximum marks are