Ask a Teacher



A class of students was asked who had seen the movie 'The Life of Pie' and who had seen the movie 'Finding Nemo'.20 students had seen at least one of these movies.20% of the students had seen neither of these movies.How many students were in the class ?

Let no. of students be x.
80%of x = 20
x=(20*100)/80
x=25


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