SOLUTION: From a school 56 64 and 80 students respectively appeared in the final examination in three successive years out of which 75% 87.5% passed find the average percentage of students w

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Question 1121883: From a school 56 64 and 80 students respectively appeared in the final examination in three successive years out of which 75% 87.5% passed find the average percentage of students who passed in those three years
Answer by ikleyn(52794) About Me  (Show Source):
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