In a class of 78 students, 41 are taking, Fresh and 22 are taking German. Of the students taking French or German, 9 are taking both courses. how many students are not enrolled in either course?

In a class of 78 students, 41 are taking, Fresh and 22 are taking German. Of the students taking French or German, 9 are taking both courses. how many students are not enrolled in either course? Correct Answer 24

ধরি, x সংখ্যক students কোনো কোর্সেই ভর্তি হয়নি। 78 = 41 + 22 - 9 + x 78 = 54 + x x = 78 - 54 x = 24
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