In a football league each team plays with every of the other teams twice. If the number of teams is 5 then what will be the total number of matches?
Correct Answer: Option B
একটি করে ম্যাচ খেললে \(^5{C_{2\;}} = \frac{{5!}}{{2! \times \left( {5 - 2} \right)!}} = 10\)
এখন যেহেতু দুটি করে ম্যাচ খেলাবে তাই উওরঃ 10\( \times \) 2 = 20
Download our app for free and access thousands of MCQ questions with detailed solutions