If A got 80 marks and B got 60 marks, then what percent of A's mark is B's mark?  Pick one:
A) 60%  B) 80%  C) 65%  D) 75%  E) None of these
A's marks = 80 ; B's marks = 60.   Let x% of A = B =&gt; x/100 * 80 = 60   =&gt; x = (60 * 100)/80= 
<gadget id="calculator">(60 * 100)/80</gadget>
<output>75</output>
75   B's marks is 75% of A's marks.   ANSWER:75%
<result>D</result>
If A got 80 marks and B got 60 marks, then what percent of A's mark is B's mark?