A student has to obtain 60% of the total marks to pass. He got 160 marks and failed by 20 marks. The maximum marks are?  Choose the correct choice from the following.
A) 210  B) 280  C) 300  D) 320  E) 340
Let the maximum marks be x   Then, 60% of x = 160+20   60x/100 = 180   60x= 180*100= 
<gadget id="calculator">180*100</gadget>
<output>18_000</output>
18000   x= 300   Answer is 300
<result>C</result>
A student has to obtain 60% of the total marks to pass. He got 160 marks and failed by 20 marks. The maximum marks are?