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?

A 6
B 15
C 24
D 69

Correct Answer: 24

ধরি, x সংখ্যক students কোনো কোর্সেই ভর্তি হয়নি। 78 = 41 + 22 - 9 + x 78 = 54 + x x = 78 - 54 x = 24
Bissoy MCQ
#গণিত #সেট (Set) #Bangladesh Krishi Bank #Krishi Bank - Officer - 21.07.2017

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