tag:blogger.com,1999:blog-15628310.post1230428262172816894..comments2020-06-29T12:19:43.336-04:00Comments on Question of the day: A Substitute TeacherAnonymoushttp://www.blogger.com/profile/18153935609499338685noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-15628310.post-21895728720067269002008-05-14T09:45:00.000-04:002008-05-14T09:45:00.000-04:00I like your second solution. A bit unfair to the ...I like your second solution. A bit unfair to the girls who are being truthful, though.Anonymoushttps://www.blogger.com/profile/18153935609499338685noreply@blogger.comtag:blogger.com,1999:blog-15628310.post-65612919511254778182008-05-14T08:02:00.000-04:002008-05-14T08:02:00.000-04:00Better solution.The teacher makes four different t...Better solution.<BR/>The teacher makes four different tests, and makes sure that each girl gets a different test.<BR/>Problem solved.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-15628310.post-14108217549886594802008-05-12T13:23:00.000-04:002008-05-12T13:23:00.000-04:00logic - use process of elimination. look for the t...logic - use process of elimination. look for the two people telling the truth. Assume the other two are lying<BR/><BR/>(girls called A, B, C, D)<BR/><BR/>can't be (truthful):<BR/>AC<BR/>AB (because dottie would also be telling the truth)<BR/>AD<BR/>BC<BR/>BD (because then charlene would have to be telling the truth)<BR/><BR/>therefore it has to be Charlene and Dottie telling the truth<BR/><BR/>therefore, beatrice is cheating, andrea is her friend.<BR/><BR/>i could be wrong, but that's what i came up with<BR/><BR/><BR/>can be (truthful)Unknownhttps://www.blogger.com/profile/12675090411345405351noreply@blogger.com