In achese touranment each of six players will play every other player exactly once . How many matches will be played during the tournament?

A 12
B 15
C 30
D 36

Correct Answer: 12

6 জন খেলোয়াড় থেকে 2 জন করে প্রতি ম্যাচে খেলবে। সুতরাং মোট ম্যাচ হবে = 6C2 =  6!2!(6 - 2!) = 6×5×4×3×2×1(2×1)(4×3×2×1) = 302 = 15
Bissoy MCQ
#গণিত #Southeast Bank Ltd #Southeast Bank Ltd - Probationary Officer - 2016

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