alleryধরা যাক A = {a, b, c, d} এবং B = {c, d, e}। A এবং B-এর ছেদে (ইন্টারসেকশনে) কতগুলি উপাদান রয়েছে?
A5
B3
C4
D2
Answer & Solution
Correct answer: D. 2
উভয় সেটেই কেবল c এবং d রয়েছে, তাই ইন্টারসেকশনে 2টি উপাদান রয়েছে।
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