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The document contains 4 math word problems: 1) A class of 22 students can be arranged in a line in 22! ways or arranged in 2 rows of 11 in 11!*11! ways. 2) A committee can be formed from a class including Max, Lizzy, Jessie and 2 other students in C(5,5) ways. 3) There are 3! ways for 3 girls and 3 boys to line up if the boys are kept together, and 6! ways if they are kept apart. 4) Another class of n students had 1320 ways to award medals for the top 3 places, so n must be 1320/C(n,3).
- Author
- giannislaz
- Language
- EN