A student gets 60% in one subject, 80% in the other. To get an overall of 75% how much should get in third subject.
Select.
A) 75%	B) 25%	C) 85%	D) 55%	E) 65%
Let the 3rd subject % = x   60+80+x = 3*75   140+x = 225   x = 225-140= 
<gadget id="calculator">225-140</gadget>
<output>85</output>
85   Answer : 85%
<result>C</result>
A student gets 60% in one subject, 80% in the other. To get an overall of 75% how much should get in third subject.