A student gets 50% in one subject, 60% in the other. To get an overall of 60% how much should get in third subject.  Pick one:
A) 75%	B) 70%	C) 45%	D) 55%	E) 65%
Let the 3rd subject % = x   50+60+x = 3*60   110+x =180   x = 180-110= 
<gadget id="calculator">180-110</gadget>
<output>70</output>
70   Answer :70%
<result>B</result>
A student gets 50% in one subject, 60% in the other. To get an overall of 60% how much should get in third subject.