বিশ্বকাপ ফুটবলে এশিয় অঞ্চলের সাতটি দল পরস্পরের সাথে খেললে মোট কয়টি ম্যাচ অনুষ্ঠিত হবে?
A. 21
B. 19
C. 23
D. 17
সঠিক উত্তরঃ
A.
21
Explanation:
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