In an examination, the average marks obtained by the students is 80. After correcting the quantitative mistakes, the average of 90 students is reduced to 50 from 80 and the overall average of the student is reduced to 62. Then find the total number of students who participated in that examination.
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If L has 80 laptops than how many laptops does N has?
What is the weight of the heaviest person?
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Who is the second heaviest person?
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