perplexus.info :: General : No Incest, Please

No Incest, Please (Posted on 2005-07-18)

There are three families each with two sons and two daughters. In how many ways can these young people be married so that each couple includes one member of each gender, no couple is brother and sister, and there are no singles left over?

No Solution Yet Submitted by Erik O.

Rating: 3.6000 (5 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

not sure right or wrong 80????

| Comment 12 of 14 |

'bout 4 hours yesterday i found out the results, i think there are 80 ways we can manage.

Posted by johan on 2005-10-14 02:21:12

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