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| Some kids are playing hide and seek in a park where there are seven trees. One of the kids is “It,” and the others are all hiding behind trees. Of course, you can’t see them, because they’re hiding. See if you can figure out the fewest possible kids hiding, using the following information: A girl is hiding to the left of a boy. A boy is hiding to the left of a boy. Two boys are hiding to the right of a girl.
Answer to last week's Brain Booster. The question the boy should ask is, "Which way is your town?"If the girl is from Lieville, she will point to Trueville because she has to lie; if she is from Trueville, she'll point to Trueville because she has to tell the truth. So whatever road the girl points to will be the road to Trueville.
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Copyright August 2003: Kimberly Sprecher Last Updated: 01/28/2012 07:55 AM |