alleryদুটি সেটের মধ্যে কেবল একটিতে থাকা সদস্য সংখ্যা 24 এবং উভয়টিতে থাকা সদস্য সংখ্যা 8। ইউনিয়নের অন্তর্ভুক্ত সদস্য সংখ্যা কত?
A16
B32
C40
D28
Answer & Solution
Correct answer: B. 32
ইউনিয়ন হলো স্বতন্ত্র অংশ এবং সাধারণ অংশের যোগফল: 24 + 8 = 32।
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