Three sets of 80, 50 and 90 students appeared for an examination and the pass percentage was 75, 90 and 100 respectively. the pass percentage of the whole set is
Answers.
A) 87.63%	B) 88.53%	C) 88.93%	D) 88.63%	E) 89.63%
Explanation:   total passed student =60+45+90= 
<gadget id="calculator">60+45+90</gadget>
<output>195</output>
195   195 is 88.63% of 220   ANSWER:88.63%
<result>D</result>
Three sets of 80, 50 and 90 students appeared for an examination and the pass percentage was 75, 90 and 100 respectively. the pass percentage of the whole set is