Xiao Ming, Xiao Wei and Xiao Gang three students took part in the end of the test and talked about it  Xiao Ming said: I am sure I can not get more than 90 scores  Xiao Wei said: 90 scores I can not achieve Xiao Gang said: 60 scores above no problem
By the time the results are announced, three out of 90 scores and 60 scores below one person well and only one of the three of them predicted correctly
Xiao Ming's score is above 90, Xiao Wei's score is between 60 and 90, and Xiao Gang's score is below 60