alleryবাইরের অংশ সহ চারটি সেটের একটি ভেন চিত্রে কতগুলি অঞ্চল থাকে?
A8
B12
C14
D16
Answer & Solution
Correct answer: D. 16
চারটি সেটের ক্ষেত্রে 2 to the power 4 টি অঞ্চলের প্রয়োজন, যা হল 16।
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