there are 20 students in chess club. two students are to be selected for representing the club in a school meeting. in how many ways can a pair of students be selected from the chess club?

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asked Nov 7, 2022 45.3k views

25 votes

there are 20 students in chess club. two students are to be selected for representing the club in a school meeting. in how many ways can a pair of students be selected from the chess club?

Mathematics
high-school

Jeffasante asked

by Jeffasante

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first way is play a match between all of them and select first Palace and second to be selected in the meeting

Ted Henry answered Nov 11, 2022

by Ted Henry

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