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There are 20 members on a football squad. In electing a captain and a co-captain, how many different outcomes of the election is possible ?

Created: 8 years ago | Updated: 2 months ago
Updated: 2 months ago
Bangladesh Bank Bangladesh Bank - Officer - 2001 গণিত বিন্যাস (Permutation) 2001
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Best Ans:

20C2 = (20!)/(2!*18!) = (20*19)/2 = 190

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SATT Academy
8 years ago

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