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A football team is to be consisted out of 14 boys . In how many ways the team can be chosen so that the owner of the ball is always in the team?

A football team is to be consisted out of 14 boys . In how many ways the team can be chosen so that the owner of the ball is always in the team? Correct Answer 286

যেহেত 14 জন বালক থেকে বলের মালিক অথাৎ 1 জনের সবদা অন্তভুক্তি থাকবেতাই বাকি 13 জন থেকে 10 জন সাজাোর উপায় হল :13C10 = ∟13∟10∟13 - 10 = 13×12×11×∟10∟10×3×2×1 = 286 উপায়ে।

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