If A got 60 marks and B got 30 marks, then what percent of A's mark is B's mark?	Pick:
A) A)60%
B) B)80%
C) C)65%
D) D)50%
E) of these
A's marks = 60 ; B's marks = 30.   Let x% of A = B =&gt; x/100 * 60 = 30   =&gt; x = (30 * 100)/60= 
<gadget id="calculator">(30 * 100)/60</gadget>
<output>50</output>
50   B's marks is 50% of A's marks.   ANSWER:50%
<result>D</result>
If A got 60 marks and B got 30 marks, then what percent of A's mark is B's mark?