allery40 জন খেলোয়াড়ের মধ্যে, 22 জন ক্রিকেট খেলে, 20 জন হকি খেলে এবং প্রত্যেকেই এই দুটি খেলার মধ্যে অন্তত একটি খেলে। কতজন উভয় খেলাই খেলে?
A2
B4
C6
D8
Answer & Solution
Correct answer: A. 2
Union = 40। উভয় খেলা খেলে = 22 + 20 - 40 = 2।
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