Sue Hartigan <[EMAIL PROTECTED]> writes:
-=Today's Puzzle:
Outre Ornaments, Inc. sells baubles, gewgaws, and trinkets;
while there I spoke to three different salespeople.
1) The first salesperson I talked to told me any 7 baubles
together with any 5 gewgaws have the same value as any
6 trinkets.
2) The second salesperson I talked to told me any 4 baubles
together with any 9 trinkets have the same value as any
5 gewgaws.
3) The third salesperson I talked to told me any 6 trinkets
together with any 3 gewgaws have the same value as any
4 baubles.
4) When I bought some of each kind of ornament I found out
exactly one of these salespersons was wrong.
Which salesperson was wrong?*
-=Yesterday's Answer:
Tees And Els - Case I. If Annette's statement is true, all
three cannot be members of the Tee family and Cynthia cannot
be the only one of the three who is a member of the El family.
So, if Annette's statement is true, either: Annette is the
only one of the three who is a member of the Tee family or
Bernice is the only one of the three who is a member of the
El family.
Case II. Of Annette's statement is false, Annette cannot be
the only one of the three who is a member of the El family
and Bernice cannot be the only one of the three who is a
member of the Tee family. So if Annette's statement is false,
either: Cynthia is the only one of the three who is a member
of the Tee family or all three are members of the El family.
Then: Annette is a member of the Tee family in Case I and
Annette is a member of the El family in Case II. Bernice is
a member of the El family in Case I and Bernice is a member
of the El family in Case II. Cynthia may be a member of either
family in Case I and Cynthia may be a member of either family
in Case II. So you know only the name of Bernice's family (El).
--
Two rules in life:
1. Don't tell people everything you know.
2.
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