Answer
:
Sarkozy
is the flight attendant.
Deductions:
We
know that the co-pilot
doesn’t live in Davos (2) and that his nearest neighbor is a
passenger (4).
That
passenger can’t be
Mr.Harper, who lives in Davos (1).
From
(3) and (4) we know that
the co-pilot’s nearest neighbor also can’t be
Mr.Obama
(because Mr.Obama has $2,000 in his wallet, which is not evenly
divisible by 3).
Thus, if the
co-pilot’s nearest
neighbor is not Mr.Obama and not Mr.Harper, it must be Mr.Sarkozy.
Now,
if Mr.Harper lives in
Davos (1) and Mr. Sarkozy lives halfway between Cornwall and Davos (as
we’ve just deduced), then the third passenger, Mr.Obama, must
be
the one referred to in (6) and thus lives in Cornwall.
That
means, also from (6), that
the co-pilot’s name is Obama.
And if Sarkozy is not the pilot (5), then by elimination Sarkozy must
be the flight attendant.
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