Three sets of 40, 50 and 60 students appeared for an examination and the pass percentage was 100, 90 and 80 respectively. the pass percentage of the whole set is
(1) 88.33
(2) 84.33
(3) 88.66
(4) 84.66
(5) None of these

• total passed student =40+45+48=133
  133 is 88.66% of 150
• 7 years agoHelpfull: Yes(13) No(1)
• Answer
  (3) 88.66
• 7 years agoHelpfull: Yes(1) No(0)
• 100% of 40 =40
  90% of 50=45
  80% of 60 = 48
  total students passed = 40+45+48=133
  total students appeared =155
  pass percentage= 133155 * 100 = 88.66%
• 6 years agoHelpfull: Yes(1) No(0)