Eight hundred student took a 90-point standardized examination. After the examination, the students were given their percentile scores, instead of their raw scores. The passing score is 60 points.If the third quartile score is at most 59, then how many students passed the exam? .If the 79th percentile score is 60 points and the top 5% of the examinees scored at least 81 points, then how many students not belonging to the top 5% scored at least 61 points?

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