shakalalewis8485 shakalalewis8485

16-03-2018
Mathematics

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There are three families attending a concert together. each family consists of 1 male and 2 females. in how many ways can they be seated in a row of nine seats if (a) there are no restrictions? ways (b) each family is seated together? ways (c) the members of each gender are seated together?

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iFireliar iFireliar

16-03-2018

a: (1*2)*3
b: 6
c: 4!2!=48

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