a student has to obtain 30 % of the total marks to pass. he got 150 marks and failed by 30 marks. the maximum marks are?  Pick one.
A) 750 B) 600 C) 650 D) 550 E) 500
<gadget id="calculator">150 + 30</gadget>
<output>180</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">180 / (3/10)</gadget>
<output>600</output>

<result>B</result>
a student has to obtain 30 % of the total marks to pass. he got 150 marks and failed by 30 marks. the maximum marks are?
divide(add(150, 30), divide(30, const_100))
"let the maximum marks be x then , 30 % of x = 150 + 30 30 x / 100 = 180 30 x = 180 * 100 = 18000 x = 600 answer is b"