A student has to obtain 45% of the total marks to pass. He got 150 marks and failed by 30 marks. The maximum marks are?
Select the correct option
A) 300 B) 250 C) 280 D) 320 E) 400
Let the maximum marks be x   Then, 45% of x = 150+30   45x/100 = 180   45x= 180*100= 
<gadget id="calculator">180*100</gadget>
<output>18_000</output>
18000   x= 400   Answer is 400
<result>E</result>
A student has to obtain 45% of the total marks to pass. He got 150 marks and failed by 30 marks. The maximum marks are?