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In How Many Different Ways Can 5 Girls And 5 Boys Form A Circle Such That The Boys And The Girls Alternate? |
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Answer» Around a circle, 5 boys can be ARRANGED in 4! ways. Given that the boys and the GIRLS alternate. Hence there are 5 places for the girls. THEREFORE the girls can be arranged in 5! ways. TOTAL number of ways =4!×5!=24×120=2880. Around a circle, 5 boys can be arranged in 4! ways. Given that the boys and the girls alternate. Hence there are 5 places for the girls. Therefore the girls can be arranged in 5! ways. Total number of ways =4!×5!=24×120=2880. |
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