EMSTAS Q.103
In a language survey of students, it is found that 80
students know English, 60 know French, 50 know
German, 30 known English and French, 20 know
French and German, 15 know English and German
And 10 students know all three languages.
In a language survey of students, it is found that 80
students know English, 60 know French, 50 know
German, 30 known English and French, 20 know
French and German, 15 know English and German
And 10 students know all three languages.
