In a class of 78 students 14 are taking French , 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?

Created: 5 years ago | Updated: 3 years ago

যদি দুইটি সন্নিহিত কোণের সমষ্টি ১৮০° হয়, তাহলে কোণ দুইটিকে পরস্পরের  সম্পূরক কোণ বলে

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