In a class of 78 students 41 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 courses? (Set)

Shohan

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2025-01-04 04:42

1 Answers

Shohan

প্রশ্নে বলা হচ্ছে, 78 জনের একটি ক্লাসে 41 জন শিক্ষার্থী ফ্রেঞ্চ ও 22 জন শিক্ষার্থী জার্মান ভাষা নিয়েছে এবং 9 জন শিক্ষার্থী উভয় ভাষাই নিয়েছে। কতজন শিক্ষার্থী কোন কোর্সই নেয়নি?

ফ্রেঞ্চ নিয়েছে 41 জন; জার্মান নিয়েছে 22 জন এবং উভয় কোর্সই নিয়েছে 9 জন শিক্ষার্থী

∴ ফ্রেঞ্চ, জার্মান কিংবা উভয় কোর্সই নিয়েছে = 41 + 22 – 9 = 54 জন

অতএব, কোন কোর্সই নেয়নি এরূপ ছাত্রসংখ্যা = 78–54 = 24 জন ।

9 views Answered 2024-12-14 13:31

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