document.write( "Question 1105438: The seats at a round table are numbered from 1 to 7. Find the number of ways in which a commitee consisting of four men and three women can be seated at the table.
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document.write( "(a) if there are no restrictions
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document.write( "(b) if all men sit together \n" );
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Algebra.Com's Answer #720293 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! a) 7! = 5040, since all the chairs are numbered \n" ); document.write( ": \n" ); document.write( "Note if the chairs are not numbered, then the answer is (7-1)! = 720 \n" ); document.write( ": \n" ); document.write( "b) the 4 men in one group can be arranged in 4! = 24 ways \n" ); document.write( "the one group of 4 men and the 3 women can be arranged in 3+1 = 4! = 24 ways \n" ); document.write( ": \n" ); document.write( "Note it is 3+1 because the chairs are numbered \n" ); document.write( ": \n" ); document.write( "therefore, \n" ); document.write( "if all 4 men sit together, there are 4! * 4! = 24^2 = 576 ways \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |